Response #1: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 3. If using another package, which one(s)? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #2: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #3: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 3. If using another package, which one(s)? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics 
Response #4: 20050809 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #5: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #6: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information

Response #7: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 
Response #8: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #9: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #10: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #11: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #12: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #13: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #14: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #15: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #16: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #17: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #18: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #19: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #20: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #21: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #22: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #23: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #24: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #25: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #26: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #27: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #28: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #29: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #30: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment SpecificsAdditional Information

Response #31: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 3. If using another package, which one(s)? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #32: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #33: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #34: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? ScaLAPACK Usage2. If you do not use ScaLAPACK, why? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #35: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 3. If using another package, which one(s)? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #36: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information 
Response #37: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #38: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information

Response #39: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #40: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment SpecificsAdditional Information

Response #41: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #42: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information 
Response #43: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #44: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #45: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 
Response #46: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 3. If using another package, which one(s)? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #47: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #48: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #49: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #50: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #51: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #52: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 11. From which languages do you call ScaLAPACK routines? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #53: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #54: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #55: 20050809 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 3. If using another package, which one(s)? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #56: 20050810 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #57: 20050810 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #58: 20050810 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #59: 20050810 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #60: 20050810 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #61: 20050810 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #62: 20050810 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #63: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #64: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #65: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #66: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? 
Response #67: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #68: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #69: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 8. Do your applications use a higherlevel interface to ScaLAPACK? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #70: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #71: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 3. If using another package, which one(s)? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #72: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics 
Response #73: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information 
Response #74: 20050811 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information

Response #75: 20050812 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics 
Response #76: 20050812 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #77: 20050812 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #78: 20050812 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #79: 20050812 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #80: 20050812 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #81: 20050812 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? 
Response #82: 20050814 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #83: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #84: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 
Response #85: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 
Response #86: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #87: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? Additional Information

Response #88: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #89: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information

Response #90: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #91: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #92: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information

Response #93: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #94: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #95: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #96: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #97: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information 
Response #98: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #99: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #100: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information 
Response #101: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #102: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #103: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #104: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #105: 20050814 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #106: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #107: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #108: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #109: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #110: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #111: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? Additional Information 
Response #112: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #113: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #114: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #115: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #116: 20050814 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #117: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #118: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #119: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information 
Response #120: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of ScaLAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #121: 20050814 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 3. If using another package, which one(s)? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 3a. Please specify any particular libraries of frameworks used? Additional Information

Response #122: 20050814 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #123: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #124: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 3. If using another package, which one(s)? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 3a. Please specify any particular libraries of frameworks used? 
Response #125: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 3. If using another package, which one(s)? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 
Response #126: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics 
Response #127: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #128: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #129: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of ScaLAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #130: 20050815 General2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 6. Do your applications make direct ScaLAPACK calls? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? 
Response #131: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #132: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #133: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #134: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #135: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #136: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #137: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #138: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 2a. Please specify any particular libraries of frameworks used? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #139: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2a. Please specify any particular libraries of frameworks used? Additional Information 
Response #140: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? 16. What information in the ScaLAPACK guide is hard to find or is missing, if any? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #141: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? Targeted Environment Specifics1. Under which operating system environments do your applications run? Additional Information

Response #142: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #143: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #144: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 2. If you do not use LAPACK, why? 3. If using another package, which one(s)? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 3. If using another package, which one(s)? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of ScaLAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 14. If you have installed ScaLAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #145: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of ScaLAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using ScaLAPACK? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #146: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 14. If you have installed LAPACK yourself, how could the installation process be improved? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 2. If your applications run in a sharedmemory environment, which styles of parallelism do they employ? Additional Information 
Response #147: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 12. Please describe any tools or helper functions that you frequently implement to assist your applications in using LAPACK? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? 
Response #148: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 5. If you have used both a vendors version of LAPACK and Netlibs, how do the two versions compare? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 13. How could the LAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the LAPACK Users Guide? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 4. If you use ScaLAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct ScaLAPACK calls? 7. Do your applications use libraries which depend on ScaLAPACK? 8. Do your applications use a higherlevel interface to ScaLAPACK? 10. Is the ScaLAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call ScaLAPACK routines? 13. How could the ScaLAPACK interface be improved to feel more natural to your application and implementation language? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 3. If your applications run in a distributedmemory environment, which styles of parallelism do they employ? Additional Information

Response #149: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 9. If you answered yes above, which higherlevel interfaces do you use? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 15. How frequently do you refer to the LAPACK Users Guide? 16. What information in the LAPACK guide is hard to find or is missing, if any? ScaLAPACK Usage1. Do you use ScaLAPACK (or a vendor version of ScaLAPACK )? 2. If you do not use ScaLAPACK, why? 15. How frequently do you refer to the ScaLAPACK Users Guide? Targeted Environment Specifics1. Under which operating system environments do your applications run? 
Response #150: 20050815 General1. Is dense linear algebra a performance bottleneck in your applications? 2. How often do your applications use the arithmetic precisions listed below:
3. What dense matrix sizes are most important or timeconsuming for your application? 4. Does your application come close to, or run out of memory on important problems? 5. Number of processors used for your application:
6. Which architectures do you use or intend to use in the next three years? 7. Do you use any other sequential or parallel dense linear algebra packages other than LAPACK or ScaLAPACK? 8. Please rank how the following features would be useful to your current or planned applications?
9. Do your applications solve linear algebra problems of the type? LAPACK Usage1. Do you use LAPACK (or a vendor version of LAPACK )? 4. If you use LAPACK, do you use a vendors version or one obtained directly from Netlib? 6. Do your applications make direct LAPACK calls? 7. Do your applications use libraries which depend on LAPACK? 8. Do your applications use a higherlevel interface to LAPACK? 10. Is the LAPACK procedure interface a barrier to more extensive use? 11. From which languages do you call LAPACK routines? 