HPC Challenge Benchmark Record

System Information
Affiliation:   Tohoku University, Information Synergy Center   URL:   http://www.isc.tohoku.ac.jp/index-e.html
Location:   Japan, Sendai   System Use:   Academic
System Manufacturer:   NEC   System Name:   NEC SX-7C
Interconnect Manufacturer:   NEC   Interconnect Type:   IXS
Operating System:   SUPER-UX 16.1   MPI:   MPI/SX 7.1.3
MPI Wtick:   0.000000001   BLAS:   Mathkeisan 1.6.0
Language:   C   Compiler:   C++/SX Rev.071
Compiler Flags:   -Caopt -Orestrict=arg -pi,auto(STREAM) -Caopt -pvctl,vwork=stack -Orestrict=arg -DGM (PTRANS and b_eff) -Caopt -pvctl,nodep,vwork=stack -Orestrict=arg -pi,auto (FFT,HPL)-Caopt -pvctl,nodep,vwork=stack -Orestrict=arg -pi,auto -DMPI2 -DRA_METHOD='"SS"'(RA)   Processor Type:   NEC SX-8
Processor Speed:   2 GHz   Total Processors:   40
Processors Entered:   40   Processors determined:   40
Cores per chip:   1   HPL Processes:   40
MPI Processes:   40   Threads Entered:   1
Threads determined:   1   FLOPs per cycle:   8
Theoretical peak:   0.64 TFlop/s   Total memory:   GiB
FFT library:    
Explain Optimizations:
Use Gmem (PTRANS,b_eff) Use FFTE 4.0 vector algorithm (G-FFT) Use unreleased ASL library (SN/EP FFT) Use hypercube algorithm (G-RA) Change loop length to 256 (SN/EP RA)

HPL
HPL:   0.611262 Tflop/s   HPL time:   2535.95
HPL eps:   1.11022e-16   HPL Rnorm1:   0.00000000333112
HPL Anorm1:   33330.9   HPL AnormI:   33274.8
HPL Xnorm1:   121854   HPL XnormI:   5.03506
HPL N:   132480   HPL NB:   64
HPL NProw:   1   HPL NPcol:   40
HPL depth:   1   HPL NBdiv:   3
HPL NBmin:   44   HPL CPfact:   R
HPL CRfact:   R   HPL CPtop:   0
HPL order:   C
HPL dMach EPS:   1.110223e-16   HPL sMach EPS:   0.00000005960464
HPL dMach sfMin:   0   HPL sMach sfMin:   1.175494e-38
HPL dMach Base:   2   HPL sMach Base:   2
HPL dMach Prec:   2.220446e-16   HPL sMach Prec:   0.0000001192093
HPL dMach mLen:   53   HPL sMach mLen:   24
HPL dMach Rnd:   1   HPL sMach Rnd:   1
HPL dMach eMin:   -1021   HPL sMach eMin:   -125
HPL dMach rMin:   0   HPL sMach rMin:   1.175494e-38
HPL dMach eMax:   1024   HPL sMach eMax:   128
HPL dMach rMax:   1.797693e308   HPL sMach rMax:   0
dweps:   1.110223e-16   sweps:   0.00000005960464

PTRANS
PTRANS:   70.0901 GB/s   PTRANS time:   0.500811 seconds
PTRANS residual:   0   PTRANS N:   66240
PTRANS NB:   553   PTRANS NProw:   1
PTRANS NPcol:   40

STREAM
S-STREAM Copy:   63.1496 GB/s   S-STREAM Scale:   63.0798 GB/s
S-STREAM Add:   63.1989 GB/s   S-STREAM Triad:   63.2064 GB/s
EP-STREAM Copy:   39.6168 GB/s   EP-STREAM Scale:   36.4639 GB/s
EP-STREAM Add:   37.3131 GB/s   EP-STREAM Triad:   35.9986 GB/s
STREAM Vector Size:   146257920   STREAM Threads:   1

RandomAccess
S-RandomAccess:   0.588022 Gup/s   EP-RandomAccess:   0.49797 Gup/s
G-RandomAccess:   0.00852005 Gup/s   G-RandomAccess N:   17179869184
G-RandomAccess time:   8065.62 seconds   G-RandomAccess Check Time:   3185.25 seconds
G-RandomAccess Errors:   73206   G-RandomAccess Errors Fraction:   0.00000426115
G-RandomAccess TimeBound:   0   G-RandomAccess ExeUpdates:   68719476736
RandomAccess N:   268435456

FFT
S-FFT:   11.3375 GFlop/s   EP-FFT:   7.90723 GFlop/s
MPIFFT:   92.8274 GFlop/s   MPIFFT N:   1073741824
MPIFFT Max Error:   0.00000000000000239149   MPIFFT time0:   0.00000460795 seconds
MPIFFT time1:   0.45098 seconds   MPIFFT time2:   0.291904 seconds
MPIFFT time3:   0.301269 seconds   MPIFFT time4:   0.243991 seconds
MPIFFT time5:   0.421323 seconds   MPIFFT time6:   0.000000192085 seconds
FFTEnblk:   16   FFTEnp:   8
FFTEl2size:   1048576

DGEMM
S-DGEMM:   15.9022 GFlop/s   EP-DGEMM:   15.9457 GFlop/s
DGEMM N:   10473

RandomRing Latency/Bandwidth
RandomRing Latency:   10.3271 usec   RandomRing Bandwidth:   1.33038 GB/s

NaturalRing Latency/Bandwidth
NaturalRing Latency:   7.15801 usec   NaturalRing Bandwidth:   12.2699 GB/s

PingPong Latency/Bandwidth
Maximum PingPong Latency:   5.06302 usec   Maximum PingPong Bandwidth:   29.7557 GB/s
Minimum PingPong Latency:   2.23977 usec   Minimum PingPong Bandwidth:   12.9851 GB/s
Average PingPong Latency:   4.4981 usec   Average PingPong Bandwidth:   16.0411 GB/s

Size of Data Types
char:   1 byte     short:   2 bytes
int:   4 bytes   long:   8 bytes
void ptr:   8 bytes   float:   4 bytes
double:   8 bytes   size t:   8 bytes
s64Int:   8 bytes   u64Int:   8 bytes

OpenMP
M OpenMP:   -1   OpenMP Num Threads:   0
OpenMP Num Procs:   0   OpenMP Max Threads:   0

Memory
MemProc:   -1   MemSpec:   -1
MemVal:   -1

CPS
CPS_HPCC_FFT_235:     CPS_HPCC_FFTW_ESTIMATE:  
CPS_HPCC_MEMALLCTR:     CPS_HPL_USE_GETPROCESSTIMES:  
CPS_RA_SANDIA_NOPT:     CPS_RA_SANDIA_OPT2:  


Version: 1.0.0.b - Run Type: opt
Created: 2006-03-24 - Exported: Thu Oct 23 05:25:46 2014
HPC Challenge Benchmark Record