Ichitaro Yamazaki

Research Scientist at Innovative Computing Laboratory of Electrical Engineering and Computer Science Department, University of Tennessee, Knoxville

• Linear algebra
• High-performance computing
• Scientific computing

• Matrix Algebra on GPU and Multicore Architectures (MAGMA)
  
• Parallel Linear Algebra for Scalable Multi-core Architectures (PLASMA)
  
• Direct solution of large-scale sparse nonsymmetric systems of equations (SuperLU_DIST)
  
• Solution of Hermitian eigenvalue problems by a thick-restart Lanczos method (TRLan)

Dense Linear Algebra

1. Ichitaro Yamazaki, Stanimire Tomov, and Jack Dongarra: One-sided dense matrix factorizations on a multicore with multiple GPU accelerators. ICCS 2012: 37-46 (link)
2. Yuji Nakatsukasa, Kensuke Aishima, and Ichitaro Yamazaki: dqds with Aggressive Early Deflation. SIAM J. Matrix Analysis Applications 33(1): 22-51 (2012) (preprint, link).

Sparse Linear Algebra

1. Xavier Lacoste, Pierre Ramet, Mathieu Faverge, Ichitaro Yamazaki, and Jack Dongarra: Sparse direct solvers with accelerators over DAG runtimes. (preprint)
2. Ichitaro Yamazaki and Xiayoe S. Li: New Scheduling Strategies and Hybrid Programming for a Parallel Right-looking Sparse LU Factorization Algorithm on Multicore Cluster Systems. IPDPS 2012: (preprint, link)
3. Ichitaro Yamazaki and Keshen Wu: A Communication-Avoiding Thick-Restart Lanczos Method on a Distributed-Memory System. HPSS worksop at EuroPar 2011: 345-354 (preprint, link).
4. Ichitaro Yamazaki and Xiaoye S. Li: On Techniques to Improve Robustness and Scalability of a Parallel Hybrid Linear Solver. VECPAR 2010: 421-434 (preprint, link).
5. Ichitaro Yamazaki, Zhaojun Bai, Horst D. Simon, Lin-Wang Wang, and Kesheng Wu: Adaptive Projection Subspace Dimension for the Thick-Restart Lanczos Method. ACM Trans. Math. Softw. 37(3): (2010) (preprint, link).

Applications

1. Xuefei Yuan, Xiaoye Li, Ichitaro Yamazaki, Stephen Jardin, Alice Koniges, and David Keyes: Application of PDSLin to the magnetic reconnection problem. ICNSP 2011 (link).
2. Ichitaro Yamazaki, Tsutomu Ikegami, Tetsuya Sakurai, and Hiroto Tadano: Performance comparison of parallel eigensolvers based on a contour integral method and a Lanczos method, PMAA 2010 (link)
3. Zhaojun Bai, Wenbin Chen, Richard Scalettar, and Ichitaro Yamazaki: Numerical Methods for Quantum Monte Carlo Simulations of the Hubbard Model, In ``Multi-Scale Phenomena in Complex Fluids'' edited by Thomas Y. Hou, Chun Liu and Jian-Guo Liu, Higher Education Press and World Scientific, 2009 (preprint).
4. Ichitaro Yamazaki, Zhaojun Bai, Wenbin Chen, and Richard Scalettar: A high-quality preconditioning technique for multi-length-scale symmetric positive definite linear systems. Numer. Math. Theor. Meth. Appl. 2(4) 2009 (preprint, link).
5. Ichitaro Yamazaki, Vijay Natarajan, Zhaojun Bai, and Bernd Hamann: Segmenting point-sampled surfaces. The Visual Computer 26(12): 1421-1433 (2010) (preprint, link).
6. Sourav Chatterji, Ichitaro Yamazaki, Zhaojun Bai, and Jonathan A. Eisen: CompostBin: A DNA Composition-Based Algorithm for Binning Environmental Shotgun Reads. RECOMB 2008: 17-28 (preprint).
7. Ichitaro Yamazaki, Vijay Natarajan, Zhaojun Bai, and Bernd Hamann: Segmenting Point Sets. SMI 2006: 6-15 (preprint, link).

• Performance of a Parallel Direct Solver SuperLU_DIST on Multicore Clusters, with X. Li at SIAM PP12 in Savannah, Georgia
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• Email: ic[dot]yamazaki[at]gmail[dot]com
  
• Phone:
  
• Mail: 1122 Volunteer Blvd, Claxton Building, Office: 351
           Knoxville, Tennessee 37996-3450