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Takeshi Fukaya

Shifted Cholesky QR for Computing the QR Factorization of Ill-Conditioned Matrices
2020 · Takeshi Fukaya, Ramaseshan Kannan, et al. · SIAM Journal on Scientific Computing · 64
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CholeskyQR2: A Simple and Communication-Avoiding Algorithm for Computing a Tall-Skinny QR Factorization on a Large-Scale Parallel System
2014 · Takeshi Fukaya, Yuji Nakatsukasa, et al. · Workshop on Latest Advances in Scalable Algorithms for Large-Scale Systems (ScalA) · 44
A novel ILU preconditioning method with a block structure suitable for SIMD vectorization
2022 · Kengo Suzuki, Takeshi Fukaya, et al. · Journal of Computational and Applied Mathematics · 17
Roundoff error analysis of the CholeskyQR2 algorithm in an oblique inner product
2016 · Yusaku Yamamoto, Yuji Nakatsukasa, et al. · JSIAM Letters · 17
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Performance Evaluation of the Eigen Exa Eigensolver on Oakleaf-FX: Tridiagonalization Versus Pentadiagonalization
2015 · Takeshi Fukaya, Toshiyuki Imamura · IEEE International Symposium on Parallel & Distributed Processing, Workshops and Phd Forum · 15
Accelerating the Singular Value Decomposition of Rectangular Matrices with the CSX600 and the Integrable SVD
2007 · Yusaku Yamamoto, Takeshi Fukaya, et al. · Lecture notes in computer science · 11
Numerical Investigation into the Mixed Precision GMRES(m) Method Using FP64 and FP32
2022 · Yingqi Zhao, Takeshi Fukaya, et al. · Journal of Information Processing · 10
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A Case Study on Modeling the Performance of Dense Matrix Computation: Tridiagonalization in the EigenExa Eigensolver on the K Computer
2018 · Takeshi Fukaya, Toshiyuki Imamura, et al. · IEEE International Symposium on Parallel & Distributed Processing, Workshops and Phd Forum · 9
Accelerating the SpMV kernel on standard CPUs by exploiting the partially diagonal structures
2021 · Fukaya, Takeshi, Ishida, Koki, et al. · arXiv (Cornell University) · 8
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Time-space tiling with tile-level parallelism for the 3D FDTD method
2018 · Takeshi Fukaya, Takeshi Iwashita · International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia) · 7
Acceleration of Hessenberg Reduction for Nonsymmetric Eigenvalue Problems in a Hybrid CPU-GPU Computing Environment
2011 · Jun-ichi Muramatsu, Takeshi Fukaya, et al. · International Journal of Networking and Computing · 7
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Hierarchical block multi-color ordering: a new parallel ordering method for vectorization and parallelization of the sparse triangular solver in the ICCG method
2020 · Takeshi Iwashita, Senxi Li, et al. · CCF Transactions on High Performance Computing · 6
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EigenKernel: A middleware for parallel generalized eigenvalue solvers to attain high scalability and usability
2019 · Kazuyuki Tanaka, Hiroto Imachi, et al. · Japan Journal of Industrial and Applied Mathematics · 6
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Performance Analysis of the Chebyshev Basis Conjugate Gradient Method on the K Computer
2016 · Yosuke Kumagai, Akihiro Fujii, et al. · Lecture notes in computer science · 6
Performance Analysis of the Householder-Type Parallel Tall-Skinny QR Factorizations Toward Automatic Algorithm Selection
2015 · Takeshi Fukaya, Toshiyuki Imamura, et al. · Lecture notes in computer science · 6
Convergence acceleration of preconditioned conjugate gradient solver based on error vector sampling for a sequence of linear systems
2023 · Takeshi Iwashita, Kota Ikehara, et al. · Numerical Linear Algebra with Applications · 5
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Numerical Behavior of Mixed Precision Iterative Refinement Using the BiCGSTAB Method
2023 · Yingqi Zhao, Takeshi Fukaya, et al. · Journal of Information Processing · 5
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Differential qd algorithm for totally nonnegative Hessenberg matrices: introduction of origin shifts and relationship with the discrete hungry Lotka-Volterra system
2010 · Yusaku Yamamoto, Takeshi Fukaya · JSIAM Letters · 5
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Differential qd algorithm for totally nonnegative band matrices: convergence properties and error analysis
2009 · Yusaku Yamamoto, Takeshi Fukaya · JSIAM Letters · 5
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Enhancement of Algebraic Block Multi-Color Ordering for ILU Preconditioning and Its Performance Evaluation in Preconditioned GMRES Solver
2019 · Senxi Li, Takeshi Iwashita, et al. · Journal of Information Processing · 4
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On Constructing Cost Models for Online Automatic Tuning Using ATMathCoreLib: Case Studies through the SVD Computation on a Multicore Processor
2016 · Seiji Nagashima, Takeshi Fukaya, et al. · IEEE International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC) · 4
A dynamic programming approach to optimizing the blocking strategy for the Householder QR decomposition
2008 · Takeshi Fukaya, Yusaku Yamamoto, et al. · IEEE International Conference on Cluster Computing (CLUSTER) · 4
An Integer Arithmetic-Based AMG Preconditioned FGMRES Solver
2024 · Kengo Suzuki, Takeshi Fukaya, et al. · ACM Transactions on Mathematical Software · 3
Subspace Correction Preconditioning for Solving a Sequence of Asymmetric Linear Systems Using the Bi-CGSTAB Method
2023 · Hirotoshi Tamori, Takeshi Fukaya, et al. · Journal of Information Processing · 3
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Performance prediction of massively parallel computation by Bayesian inference
2022 · Hisashi Kohashi, Harumichi Iwamoto, et al. · JSIAM Letters · 3
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Works count: 42
Citation count: 286
H-index: 8
I10-index: 7
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