Segmenting Point Sets. - Ichitaro Yamazaki; Vijay Natarajan; Zhaojun Bai; Bernd Hamann (SMI, 2006)

CompostBin: A DNA Composition-Based Algorithm for Binning Environmental Shotgun Reads. - Sourav Chatterji; Ichitaro Yamazaki; Zhaojun Bai; Jonathan A. Eisen (RECOMB, 2008)

On Techniques to Improve Robustness and Scalability of a Parallel Hybrid Linear Solver. - Ichitaro Yamazaki; Xiaoye S. Li (VECPAR, 2010)

Adaptive Projection Subspace Dimension for the Thick-Restart Lanczos Method. - Ichitaro Yamazaki; Zhaojun Bai; Horst D. Simon; Lin-Wang Wang; Kesheng Wu (ACM Trans. Math. Softw., 2010)

Segmenting point-sampled surfaces. - Ichitaro Yamazaki; Vijay Natarajan; Zhaojun Bai; Bernd Hamann (Vis. Comput., 2010)

A Communication-Avoiding Thick-Restart Lanczos Method on a Distributed-Memory System. - Ichitaro Yamazaki; Kesheng Wu (Euro-Par Workshops (1), 2011)

New Scheduling Strategies and Hybrid Programming for a Parallel Right-looking Sparse LU Factorization Algorithm on Multicore Cluster Systems. - Ichitaro Yamazaki; Xiaoye S. Li (IPDPS, 2012)

Abstract: Matrices Over Runtime Systems at Exascale. - Emmanuel Agullo; George Bosilca; Bérenger Bramas; Cedric Castagnede; Olivier Coulaud; Eric Darve; Jack J. Dongarra; Mathieu Faverge; Nathalie Furmento; Luc Giraud; Xavier Lacoste; Julien Langou; et al. (SC Companion, 2012)

Poster: Matrices over Runtime Systems at Exascale. - Emmanuel Agullo; George Bosilca; Bérenger Bramas; Cedric Castagnede; Olivier Coulaud; Eric Darve; Jack J. Dongarra; Mathieu Faverge; Nathalie Furmento; Luc Giraud; Xavier Lacoste; Julien Langou; et al. (SC Companion, 2012)

A hybrid Hermitian general eigenvalue solver - Raffaele Solcà; Thomas C. Schulthess; Azzam Haidar; Stanimire Tomov; Ichitaro Yamazaki; Jack J. Dongarra (CoRR, 2012)

One-sided Dense Matrix Factorizations on a Multicore with Multiple GPU Accelerators. - Ichitaro Yamazaki; Stanimire Tomov (ICCS, 2012)

dqds with Aggressive Early Deflation. - Yuji Nakatsukasa; Kensuke Aishima; Ichitaro Yamazaki (SIAM J. Matrix Anal. Appl., 2012)

Implementing a Blocked Aasen's Algorithm with a Dynamic Scheduler on Multicore Architectures. - Grey Ballard; Dulceneia Becker; James Demmel; Jack J. Dongarra; Alex Druinsky; Inon Peled; Oded Schwartz; Sivan Toledo; Ichitaro Yamazaki (IPDPS, 2013)

Virtual Systolic Array for QR Decomposition. - Jakub Kurzak; Piotr Luszczek; Mark Gates; Ichitaro Yamazaki; Jack J. Dongarra (IPDPS, 2013)

Tridiagonalization of a Symmetric Dense Matrix on a GPU Cluster. - Ichitaro Yamazaki; Tingxing Dong; Stanimire Tomov; Jack J. Dongarra (IPDPS Workshops, 2013)

On Partitioning and Reordering Problems in a Hierarchically Parallel Hybrid Linear Solver. - Ichitaro Yamazaki; Xiaoye S. Li; François-Henry Rouet; Bora Uçar (IPDPS Workshops, 2013)

Performance comparison of parallel eigensolvers based on a contour integral method and a Lanczos method. - Ichitaro Yamazaki; Hiroto Tadano; Tetsuya Sakurai; Tsutomu Ikegami (Parallel Comput., 2013)

Accelerating Numerical Dense Linear Algebra Calculations with GPUs. - Jack J. Dongarra; Mark Gates; Azzam Haidar; Jakub Kurzak; Piotr Luszczek; Stanimire Tomov; Ichitaro Yamazaki (Numerical Computations with GPUs, 2014)

Access-averse framework for computing low-rank matrix approximations. - Ichitaro Yamazaki; Théo Mary; Jakub Kurzak; Stanimire Tomov; Jack J. Dongarra (IEEE BigData, 2014)

Optimizing Krylov Subspace Solvers on Graphics Processing Units. - Hartwig Anzt; William B. Sawyer; Stanimire Tomov; Piotr Luszczek; Ichitaro Yamazaki; Jack J. Dongarra (IPDPS Workshops, 2014)

Improving the Performance of CA-GMRES on Multicores with Multiple GPUs. - Ichitaro Yamazaki; Hartwig Anzt; Stanimire Tomov; Mark Hoemmen; Jack J. Dongarra (IPDPS, 2014)

Performance and portability with OpenCL for throughput-oriented HPC workloads across accelerators, coprocessors, and multicore processors. - Chongxiao Cao; Mark Gates; Azzam Haidar; Piotr Luszczek; Stanimire Tomov; Ichitaro Yamazaki; Jack J. Dongarra (ScalA@SC, 2014)

Domain Decomposition Preconditioners for Communication-Avoiding Krylov Methods on a Hybrid CPU/GPU Cluster. - Ichitaro Yamazaki; Sivasankaran Rajamanickam; Erik G. Boman; Mark Hoemmen; Michael A. Heroux; Stanimire Tomov (SC, 2014)

Deflation strategies to improve the convergence of communication-avoiding GMRES. - Ichitaro Yamazaki; Stanimire Tomov; Jack J. Dongarra (ScalA@SC, 2014)

Mixed-Precision Orthogonalization Scheme and Adaptive Step Size for Improving the Stability and Performance of CA-GMRES on GPUs. - Ichitaro Yamazaki; Stanimire Tomov; Tingxing Dong; Jack J. Dongarra (VECPAR, 2014)

Tridiagonalization of a dense symmetric matrix on multiple GPUs and its application to symmetric eigenvalue problems. - Ichitaro Yamazaki; Tingxing Dong; Raffaele Solcà; Stanimire Tomov; Jack J. Dongarra; Thomas C. Schulthess (Concurr. Comput. Pract. Exp., 2014)

Design and Implementation of a Large Scale Tree-Based QR Decomposition Using a 3D Virtual Systolic Array and a Lightweight Runtime. - Ichitaro Yamazaki; Jakub Kurzak; Piotr Luszczek; Jack J. Dongarra (Parallel Process. Lett., 2014)

Communication-Avoiding Symmetric-Indefinite Factorization. - Grey Ballard; Dulceneia Becker; James Demmel; Jack J. Dongarra; Alex Druinsky; Inon Peled; Oded Schwartz; Sivan Toledo; Ichitaro Yamazaki (SIAM J. Matrix Anal. Appl., 2014)

Dense Symmetric Indefinite Factorization on GPU Accelerated Architectures. - Marc Baboulin; Jack J. Dongarra; Adrien Rémy; Stanimire Tomov; Ichitaro Yamazaki (PPAM (1), 2015)

Performance of random sampling for computing low-rank approximations of a dense matrix on GPUs. - Théo Mary; Ichitaro Yamazaki; Jakub Kurzak; Piotr Luszczek; Stanimire Tomov; Jack J. Dongarra (SC, 2015)

Randomized algorithms to update partial singular value decomposition on a hybrid CPU/GPU cluster. - Ichitaro Yamazaki; Jakub Kurzak; Piotr Luszczek; Jack J. Dongarra (SC, 2015)

Mixed-precision block gram Schmidt orthogonalization. - Ichitaro Yamazaki; Stanimire Tomov; Jakub Kurzak; Jack J. Dongarra; Jesse L. Barlow (ScalA@SC, 2015)

A survey of recent developments in parallel implementations of Gaussian elimination. - Simplice Donfack; Jack J. Dongarra; Mathieu Faverge; Mark Gates; Jakub Kurzak; Piotr Luszczek; Ichitaro Yamazaki (Concurr. Comput. Pract. Exp., 2015)

Mixed-Precision Cholesky QR Factorization and Its Case Studies on Multicore CPU with Multiple GPUs. - Ichitaro Yamazaki; Stanimire Tomov; Jack J. Dongarra (SIAM J. Sci. Comput., 2015)

Computing Low-Rank Approximation of a Dense Matrix on Multicore CPUs with a GPU and Its Application to Solving a Hierarchically Semiseparable Linear System of Equations. - Ichitaro Yamazaki; Stanimire Tomov; Jack J. Dongarra (Sci. Program., 2015)

Parallel Programming Models for Dense Linear Algebra on Heterogeneous Systems. - Jack J. Dongarra; Maksims Abalenkovs; Ahmad Abdelfattah; Mark Gates; Azzam Haidar; Jakub Kurzak; Piotr Luszczek; Stanimire Tomov; Ichitaro Yamazaki; Asim YarKhan (Supercomput. Front. Innov., 2015)

Heterogeneous Streaming. - Chris J. Newburn; Gaurav Bansal; Michael Wood; Luis Crivelli; Judit Planas; Alejandro Duran; Paulo Souza; Leonardo Borges; Piotr Luszczek; Stanimire Tomov; Jack J. Dongarra; Hartwig Anzt; et al. (IPDPS Workshops, 2016)

Linear algebra software for large-scale accelerated multicore computing. - Ahmad Abdelfattah; Hartwig Anzt; Jack J. Dongarra; Mark Gates; Azzam Haidar; Jakub Kurzak; Piotr Luszczek; Stanimire Tomov; Ichitaro Yamazaki; Asim YarKhan (Acta Numer., 2016)

Stability and Performance of Various Singular Value QR Implementations on Multicore CPU with a GPU. - Ichitaro Yamazaki; Stanimire Tomov; Jack J. Dongarra (ACM Trans. Math. Softw., 2016)

Bringing High Performance Computing to Big Data Algorithms. - Hartwig Anzt; Jack J. Dongarra; Mark Gates; Jakub Kurzak; Piotr Luszczek; Stanimire Tomov; Ichitaro Yamazaki (Handbook of Big Data Technologies, 2017)

Scaling point set registration in 3D across thread counts on multicore and hardware accelerator platforms through autotuning for large scale analysis of scientific point clouds. - Piotr Luszczek; Jakub Kurzak; Ichitaro Yamazaki; David J. Keffer; Jack J. Dongarra (IEEE BigData, 2017)

Sampling algorithms to update truncated SVD. - Ichitaro Yamazaki; Stanimire Tomov; Jack J. Dongarra (IEEE BigData, 2017)

Towards numerical benchmark for half-precision floating point arithmetic. - Piotr Luszczek; Jakub Kurzak; Ichitaro Yamazaki; Jack J. Dongarra (HPEC, 2017)

Improving Performance of GMRES by Reducing Communication and Pipelining Global Collectives. - Ichitaro Yamazaki; Mark Hoemmen; Piotr Luszczek; Jack J. Dongarra (IPDPS Workshops, 2017)

Solving dense symmetric indefinite systems using GPUs. - Marc Baboulin; Jack J. Dongarra; Adrien Rémy; Stanimire Tomov; Ichitaro Yamazaki (Concurr. Comput. Pract. Exp., 2017)

Non-GPU-resident symmetric indefinite factorization. - Ichitaro Yamazaki; Stanimire Tomov; Jack J. Dongarra (Concurr. Comput. Pract. Exp., 2017)

With Extreme Computing, the Rules Have Changed. - Jack J. Dongarra; Stanimire Tomov; Piotr Luszczek; Jakub Kurzak; Mark Gates; Ichitaro Yamazaki; Hartwig Anzt; Azzam Haidar; Ahmad Abdelfattah (Comput. Sci. Eng., 2017)

Structure-Aware Linear Solver for Realtime Convex Optimization for Embedded Systems. - Ichitaro Yamazaki; Saeid Nooshabadi; Stanimire Tomov; Jack J. Dongarra (IEEE Embed. Syst. Lett., 2017)

Design and Implementation of the PULSAR Programming System for Large Scale Computing. - Jakub Kurzak; Piotr Luszczek; Ichitaro Yamazaki; Yves Robert; Jack J. Dongarra (Supercomput. Front. Innov., 2017)

Performance of Hierarchical-matrix BiCGStab Solver on GPU Clusters. - Ichitaro Yamazaki; Ahmad Abdelfattah; Akihiro Ida; Satoshi Ohshima; Stanimire Tomov; Rio Yokota; Jack J. Dongarra (IPDPS, 2018)

Optimization of Hierarchical Matrix Computation on GPU. - Satoshi Ohshima; Ichitaro Yamazaki; Akihiro Ida; Rio Yokota (SCFA, 2018)

The Singular Value Decomposition: Anatomy of Optimizing an Algorithm for Extreme Scale. - Jack J. Dongarra; Mark Gates; Azzam Haidar; Jakub Kurzak; Piotr Luszczek; Stanimire Tomov; Ichitaro Yamazaki (SIAM Rev., 2018)

Autotuning Techniques for Performance-Portable Point Set Registration in 3D. - Piotr Luszczek; Jakub Kurzak; Ichitaro Yamazaki; David J. Keffer; Vasileios Maroulas; Jack J. Dongarra (Supercomput. Front. Innov., 2018)

Symmetric Indefinite Linear Solver Using OpenMP Task on Multicore Architectures. - Ichitaro Yamazaki; Jakub Kurzak; Panruo Wu; Mawussi Zounon; Jack J. Dongarra (IEEE Trans. Parallel Distributed Syst., 2018)

Linear Systems Solvers for Distributed-Memory Machines with GPU Accelerators. - Jakub Kurzak; Mark Gates; Ali Charara 001; Asim YarKhan; Ichitaro Yamazaki; Jack J. Dongarra (Euro-Par, 2019)

Increasing Accuracy of Iterative Refinement in Limited Floating-Point Arithmetic on Half-Precision Accelerators. - Piotr Luszczek; Ichitaro Yamazaki; Jack J. Dongarra (HPEC, 2019)

Matrix Powers Kernels for Thick-Restart Lanczos with Explicit External Deflation. - Ichitaro Yamazaki; Zhaojun Bai; Ding Lu; Jack J. Dongarra (IPDPS, 2019)

Optimization of Numerous Small Dense-Matrix-Vector Multiplications in H-Matrix Arithmetic on GPU. - Satoshi Ohshima; Ichitaro Yamazaki; Akihiro Ida; Rio Yokota (MCSoC, 2019)

Evaluation of Programming Models to Address Load Imbalance on Distributed Multi-Core CPUs: A Case Study with Block Low-Rank Factorization. - Yu Pei; George Bosilca; Ichitaro Yamazaki; Akihiro Ida; Jack J. Dongarra (PAW-ATM@SC, 2019)

Distributed-memory lattice H-matrix factorization. - Ichitaro Yamazaki; Akihiro Ida; Rio Yokota; Jack J. Dongarra (Int. J. High Perform. Comput. Appl., 2019)

QR Factorization of Block Low-rank Matrices with Weak Admissibility Condition. - Akihiro Ida; Hiroshi Nakashima; Tasuku Hiraishi; Ichitaro Yamazaki; Rio Yokota; Takeshi Iwashita (J. Inf. Process., 2019)

Performance of asynchronous optimized Schwarz with one-sided communication. - Ichitaro Yamazaki; Edmond Chow; Aurélien Bouteiller; Jack J. Dongarra (Parallel Comput., 2019)

PLASMA: Parallel Linear Algebra Software for Multicore Using OpenMP. - Jack J. Dongarra; Mark Gates; Azzam Haidar; Jakub Kurzak; Piotr Luszczek; Panruo Wu; Ichitaro Yamazaki; Asim YarKhan; Maksims Abalenkovs; Negin Bagherpour; Sven Hammarling; Jakub Sístek; et al. (ACM Trans. Math. Softw., 2019)

Performance Portable Supernode-based Sparse Triangular Solver for Manycore Architectures. - Ichitaro Yamazaki; Sivasankaran Rajamanickam; Nathan D. Ellingwood (ICPP, 2020)

Low-synchronization orthogonalization schemes for s-step and pipelined Krylov solvers in Trilinos. - Ichitaro Yamazaki; Stephen J. Thomas; Mark Hoemmen; Erik G. Boman; Katarzyna Swirydowicz; James J. Elliott (PP, 2020)

Reducing the amount of out-of-core data access for GPU-accelerated randomized SVD. - Yuechao Lu; Ichitaro Yamazaki; Fumihiko Ino; Yasuyuki Matsushita; Stanimire Tomov; Jack J. Dongarra (Concurr. Comput. Pract. Exp., 2020)

A Survey of Numerical Methods Utilizing Mixed Precision Arithmetic. - Ahmad Abdelfattah; Hartwig Anzt; Erik G. Boman; Erin C. Carson; Terry Cojean; Jack J. Dongarra; Mark Gates; Thomas Grützmacher; Nicholas J. Higham; Xiaoye Sherry Li; Neil Lindquist; Yang Liu 179; et al. (CoRR, 2020)

Experimental Evaluation of Multiprecision Strategies for GMRES on GPUs. - Jennifer A. Loe; Christian A. Glusa; Ichitaro Yamazaki; Erik G. Boman; Sivasankaran Rajamanickam (IPDPS Workshops, 2021)

Exploiting Block Structures of KKT Matrices for Efficient Solution of Convex Optimization Problems. - Zafar Iqbal; Saeid Nooshabadi; Ichitaro Yamazaki; Stanimire Tomov; Jack J. Dongarra (IEEE Access, 2021)

Kokkos Kernels: Performance Portable Sparse/Dense Linear Algebra and Graph Kernels. - Sivasankaran Rajamanickam; Seher Acer; Luc Berger-Vergiat; Vinh Q. Dang; Nathan D. Ellingwood; Evan Harvey; Brian Kelley; Christian R. Trott; Jeremiah J. Wilke; Ichitaro Yamazaki (CoRR, 2021)

Two-Stage Gauss-Seidel Preconditioners and Smoothers for Krylov Solvers on a GPU cluster. - Luc Berger-Vergiat; Brian Kelley; Sivasankaran Rajamanickam; Jonathan J. Hu; Katarzyna Swirydowicz; Paul Mullowney; Stephen J. Thomas; Ichitaro Yamazaki (CoRR, 2021)

A Study of Mixed Precision Strategies for GMRES on GPUs. - Jennifer A. Loe; Christian A. Glusa; Ichitaro Yamazaki; Erik G. Boman; Sivasankaran Rajamanickam (CoRR, 2021)

Mixed Precision $s$-step Conjugate Gradient with Residual Replacement on GPUs. - Ichitaro Yamazaki; Erin C. Carson; Brian Kelley (IPDPS, 2022)

QR Factorization of Block Low-Rank Matrices on Multi-instance GPU. - Satoshi Ohshima; Akihiro Ida; Rio Yokota; Ichitaro Yamazaki (PDCAT, 2022)

High-Performance GMRES Multi-Precision Benchmark: Design, Performance, and Challenges. - Ichitaro Yamazaki; Christian Glusa; Jennifer A. Loe; Piotr Luszczek; Sivasankaran Rajamanickam; Jack J. Dongarra (PMBS@SC, 2022)

Mixed precision s-step Lanczos and conjugate gradient algorithms. - Erin C. Carson; Tomás Gergelits; Ichitaro Yamazaki (Numer. Linear Algebra Appl., 2022)

Low-synch Gram-Schmidt with delayed reorthogonalization for Krylov solvers. - Daniel Bielich; Julien Langou; Stephen J. Thomas; Kasia Swirydowicz; Ichitaro Yamazaki; Erik G. Boman (Parallel Comput., 2022)

An Experimental Study of Two-level Schwarz Domain-Decomposition Preconditioners on GPUs. - Ichitaro Yamazaki; Alexander Heinlein; Sivasankaran Rajamanickam (IPDPS, 2023)

Analysis of Randomized Householder-Cholesky QR Factorization with Multisketching. - Andrew J. Higgins 002; Daniel B. Szyld; Erik G. Boman; Ichitaro Yamazaki (CoRR, 2023)

Two-Stage Block Orthogonalization to Improve Performance of s-step GMRES. - Ichitaro Yamazaki; Andrew J. Higgins 002; Erik G. Boman; Daniel B. Szyld (IPDPS, 2024)

Trilinos: Enabling Scientific Computing Across Diverse Hardware Architectures at Scale. - Matthias Mayr; Alexander Heinlein; Christian A. Glusa; Siva Rajamanickam; Maarten Arnst; Roscoe A. Bartlett; Luc Berger-Vergiat; Erik G. Boman; Karen D. Devine; Graham Harper; Michael A. Heroux; Mark Hoemmen; et al. (CoRR, 2025)

Random-sketching Techniques to Enhance the Numerically Stability of Block Orthogonalization Algorithms for s-step GMRES. - Ichitaro Yamazaki; Andrew J. Higgins 002; Erik G. Boman; Daniel B. Szyld (CoRR, 2025)

ShyLU node: On-node Scalable Solvers and Preconditioners Recent Progresses and Current Performance. - Ichitaro Yamazaki; Nathan D. Ellingwood; Sivasankaran Rajamanickam (CoRR, 2025)

A High Performance GPU CountSketch Implementation and Its Application to Multisketching and Least Squares Problems. - Andrew J. Higgins 002; Erik G. Boman; Ichitaro Yamazaki (CoRR, 2025)