Fukaya Takeshi 深谷猛

Researcher Number	30633846
Other IDs
Affiliation (Current)	2025: 北海道大学, 情報基盤センター, 准教授
Affiliation (based on the past Project Information) *help	2022 – 2025: 北海道大学, 情報基盤センター, 准教授 2015 – 2021: 北海道大学, 情報基盤センター, 助教 2015: 北海道大学, 学内共同利用施設等, 助教
Review Section/Research Field	Principal Investigator Basic Section 60090:High performance computing-related / Sections That Are Subject to Joint Review: Basic Section60040:Computer system-related , Basic Section60090:High performance computing-related / Basic Section 60040:Computer system-related / High performance computing Except Principal Investigator Medium-sized Section 60:Information science, computer engineering, and related fields / Basic Section 60100:Computational science-related / High performance computing
Keywords	Principal Investigator 高性能計算 / 線形計算アルゴリズム / 線形計算 / 並列計算 / 行列計算 / 数値解析 / GPU / 混合精度型解法 / 分散処理 / ビッグデータ解析 … More / 動的モード分解 / 線形回帰モデル / QR分解 / ビッグデータ処理 / エッジコンピューティング / 分散並列計算 / テンソル分解 / 通信回避 … More Except Principal Investigator 高性能計算 / 計算科学 / 線形反復法 / アクセラレータ / 線形ソルバ / 計算工学 / ステンシル計算 / 整数演算命令 / FDTD法 / 反復改良法 / 整数演算 / 有限要素法 / 階層型行列 / 非線形解析 / 非定常解析 / 電磁場解析 / 並列処理 / H行列 / 時間並列処理 / 混合精度演算 / 計算電磁気学 / 異粒度数値カーネル / 時間方向離散 / 通信同期回避 / スケーラブル / ハイパフォーマンスコンピューティング / 通信回避や非同期性 / 数理工学 / アルゴリズム / ハイパフォーマンス・コンピューティング / スレッド数自動調整 / 超メニイコア / 通信回避 / 非同期アルゴリズム / 時間方向並列 / 時空間タイリング / 分割統治法 / 自動チューニング / メニイコア / 省通信・省同期 / 非同期 Less

次世代計算機の潜在能力を引き出すための科学技術ソフトウェアの刷新
- Principal Investigator
  
  横田理央
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Institute of Science Tokyo
低精度計算を活用した混合精度型線形計算技術の深化Principal Investigator
- Principal Investigator
  
  深谷猛
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60090:High performance computing-related
  Basic Section 60040:Computer system-related
  Sections That Are Subject to Joint Review: Basic Section60040:Computer system-related , Basic Section60090:High performance computing-related
- Research Institution
  Hokkaido University
Next-generation high-performance linear solver for future computational science and engineering
- Principal Investigator
  
  岩下武史
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Kyoto University
  Hokkaido University
society5.0におけるデータ解析に資する高性能線形計算技術の研究Principal Investigator
- Principal Investigator
  
  深谷猛
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Hokkaido University
Development of technology for scientific simulations only using integer arithmetic for next-generation computers
- Principal Investigator
  
  岩下武史
- Project Period (FY)
  2020 – 2024
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Hokkaido University
High performance linear solver for advanced computational electromagnetics
- Principal Investigator
  
  IWASHITA TAKESHI
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60100:Computational science-related
- Research Institution
  Hokkaido University
Study on improving algorithms for tensor decomposition based on the HPC viewpointPrincipal Investigator
- Principal Investigator
  
  Fukaya Takeshi
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Hokkaido University
Fundamental research for improving the practicality of communication-avoiding matrix factorization algorithmsPrincipal Investigator
- Principal Investigator
  
  Fukaya Takeshi
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  High performance computing
- Research Institution
  Hokkaido University
Theory and Application of Scalable Numerical Software on an O(100M) core environment
- Principal Investigator
  
  IMAMURA Toshiyuki
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  High performance computing
- Research Institution
  Institute of Physical and Chemical Research

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015

All Journal Article Presentation

[Journal Article] 分散並列環境におけるCholeskyQRとBCGS2を用いた非縦長行列のQR分解2023
- Author(s)
  門倉陣之介, 深谷猛, 佐竹祐樹, 岩下武史
- Journal Title
  
  情報処理学会研究報告ハイパフォーマンスコンピューティング
  
  Volume: 2023-HPC-192 Pages: 1-15
- Data Source
  KAKENHI-PROJECT-21K11909
[Journal Article] Subspace Correction Preconditioning for Solving a Sequence of Asymmetric Linear Systems Using the Bi-CGSTAB Method2023
- Author(s)
  Tamori Hirotoshi、Fukaya Takeshi、Iwashita Takeshi
- Journal Title
  
  Journal of Information Processing
  
  Volume: 31 Issue: 0 Pages: 875-884
- DOI
  10.2197/ipsjjip.31.875
- ISSN
  1882-6652
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K21782, KAKENHI-PROJECT-21H03447
[Journal Article] A novel ILU preconditioning method with a block structure suitable for SIMD vectorization2023
- Author(s)
  Suzuki Kengo, Fukaya Takeshi, Iwashita Takeshi
- Journal Title
  
  Journal of Computational and Applied Mathematics
  
  Volume: 419 Pages: 114687-114687
- DOI
  10.1016/j.cam.2022.114687
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K21782, KAKENHI-PROJECT-19H05662
[Journal Article] Convergence acceleration of preconditioned conjugate gradient solver based on error vector sampling for a sequence of linear systems2023
- Author(s)
  Iwashita Takeshi、Ikehara Kota、Fukaya Takeshi、Mifune Takeshi
- Journal Title
  
  Numerical Linear Algebra with Applications
  
  Volume: 30 Issue: 6
- DOI
  10.1002/nla.2512
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K21782, KAKENHI-PROJECT-19H05662
[Journal Article] Distributed Parallel Tall-Skinny QR Factorization: Performance Evaluation of?Various Algorithms on?Various Systems2023
- Author(s)
  Takeshi Fukaya
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 13798 Pages: 275-287
- DOI
  10.1007/978-3-031-29927-8_22
- ISBN
  9783031299261, 9783031299278
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K11909
[Journal Article] A New AINV Preconditioner for the CG Method in Hybrid CPU-GPU Computing Environment2022
- Author(s)
  Suzuki Kengo, Fukaya Takeshi, Iwashita Takeshi
- Journal Title
  
  Journal of Information Processing
  
  Volume: 30 Issue: 0 Pages: 755-765
- DOI
  10.2197/ipsjjip.30.755
- ISSN
  1882-6652
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K21782, KAKENHI-PROJECT-19H05662
[Journal Article] 分散並列環境上での縦長行列のQR分解に対する各種アルゴリズムの性能評価2022
- Author(s)
  深谷猛
- Journal Title
  
  情報処理学会研究報告ハイパフォーマンスコンピューティング
  
  Volume: 2022-HPC-184 Pages: 1-9
- Data Source
  KAKENHI-PROJECT-21K11909
[Journal Article] Shifted Cholesky QR for Computing the QR Factorization of Ill-Conditioned Matrices2020
- Author(s)
  Takeshi Fukaya, Ramaseshan Kannan, Yuji Nakatsukasa, Yusaku Yamamoto, Yuka Yanagisawa
- Journal Title
  
  SIAM Journal on Scientific Computing
  
  Volume: 42 Issue: 1 Pages: A477-A503
- DOI
  10.1137/18m1218212
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18058, KAKENHI-PROJECT-17K19966, KAKENHI-PROJECT-19KK0255
[Journal Article] Hierarchical block multi-color ordering: a new parallel ordering method for vectorization and parallelization of the sparse triangular solver in the ICCG method2020
- Author(s)
  Iwashita Takeshi, Li Senxi, Fukaya Takeshi
- Journal Title
  
  CCF Transactions on High Performance Computing
  
  Volume: 2 Issue: 2 Pages: 84-97
- DOI
  10.1007/s42514-020-00030-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H04122, KAKENHI-PROJECT-19H05662
[Journal Article] 縦長行列のQR分解に対する各種アルゴリズムの比較：Oakforest-PACS上での性能評価2020
- Author(s)
  深谷猛
- Journal Title
  
  東京大学情報基盤センタースーパーコンピューティングニュース
  
  Volume: 22 Pages: 28-39
- Open Access
- Data Source
  KAKENHI-PROJECT-18K18058
[Journal Article] Time-space tiling with tile-level parallelism for the 3D FDTD method2018
- Author(s)
  Fukaya Takeshi、Iwashita Takeshi
- Journal Title
  
  Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2018),
  
  Volume: - Pages: 116-126
- DOI
  10.1145/3149457.3149478
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] A case study on modeling the performance of dense matrix computation: tridiagonalization in the EigenExa eigensolver on the K computer2018
- Author(s)
  Takeshi Fukaya, Toshiyuki Imamura and Yusaku Yamamoto
- Journal Title
  
  Proceedings of the Thirteenth International Workshop on Automatic Performance Tuning
  
  Volume: Accepted
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K16000
[Journal Article] Knights Landing におけるTiled 3D FDTDカーネルの性能評価2018
- Author(s)
  深谷猛，岩下武史
- Journal Title
  
  研究報告ハイパフォーマンスコンピューティング（HPC）
  
  Volume: Vol.2018-HPC-164(6) Pages: 1-9
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] マルチコアCPU環境における密テンソル向けALS法の性能評価2018
- Author(s)
  深谷猛
- Journal Title
  
  情報処理学会研究報告：ハイパフォーマンスコンピューティング
  
  Volume: 2018-HPC-167 Pages: 1-9
- Data Source
  KAKENHI-PROJECT-18K18058
[Journal Article] タイルレベルの並列処理を可能とする時空間タイリング手法を用いた3次元FDTDカーネルの実装と性能評価2017
- Author(s)
  深谷猛, 岩下武史
- Journal Title
  
  研究報告ハイパフォーマンスコンピューティング（HPC）
  
  Volume: Vol.2017‐HPC‐160(35) Pages: 1-11
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] Roundoff error analysis of the CholeskyQR2 algorithm in an oblique inner product2016
- Author(s)
  Yusaku Yamamoto, Yuji Nakatsukasa, Yuka Yanagisawa and Takeshi Fukaya
- Journal Title
  
  JSIAM Letters
  
  Volume: 8 Issue: 0 Pages: 5-8
- DOI
  10.14495/jsiaml.8.5
- NAID
  130005125235
- ISSN
  1883-0609, 1883-0617
- Language
  English
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-15K16000, KAKENHI-PROJECT-26870149
[Journal Article] 共役勾配法への種々の通信削減手法の適用と評価2016
- Author(s)
  熊谷洋佑, 藤井昭宏, 田中輝雄, 深谷猛, 須田礼仁
- Journal Title
  
  情報処理学会論文誌コンピューティングシステム（ACS）
  
  Volume: 9 Pages: 1-13
- NAID
  170000148096
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K16000
[Journal Article] 大規模並列計算機における連立一次方程式の精度保証付き数値計算に対する性能評価2016
- Author(s)
  森倉悠介, 椋木大地, 深谷猛, 山中脩也, 大石進一
- Journal Title
  
  情報処理学会研究報告ハイパフォーマンスコンピューティング（HPC）
  
  Volume: Vol.2017-HPC-157, NO.1 Pages: 1-7
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] Performance Analysis of the Chebyshev Basis Conjugate Gradient Method on the K Computer2016
- Author(s)
  Yosuke Kumagai, Akihiro Fujii, Teruo Tanaka, Yusuke Hirota, Takeshi Fukaya, Toshiyuki Imamura and Reiji Suda
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 9573 Pages: 74-85
- DOI
  10.1007/978-3-319-32149-3_8
- ISBN
  9783319321486, 9783319321493
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K16000, KAKENHI-PROJECT-15H02708
[Journal Article] CAHTR: Communication-Avoiding Householder Tridiagonalization2016
- Author(s)
  Toshiyuki Imamura, Takeshi Fukaya, Yusuke Hirota, Susumu Yamada, Masahiko Machida
- Journal Title
  
  Advances in Parallel Computing
  
  Volume: 27 Pages: 381-390
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] CholeskyQRとBCGS2を用いた非縦長行列のQR分解2024
- Author(s)
  門倉陣之介, 深谷猛, 佐竹祐樹, 岩下武史
- Organizer
  日本応用数理学会若手の会第9回学生研究発表会
- Data Source
  KAKENHI-PROJECT-21K11909
[Presentation] QRCP of a Tall-skinny Matrix by a Cholesky QR Type Algorithm2024
- Author(s)
  Takeshi Fukaya, Yuji Nakatsukasa, Yusaku Yamamoto
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing (PP24)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K11909
[Presentation] ブロックヤコビIC前処理付きCG法の収束性に関する分析2023
- Author(s)
  岩下武史, 深谷猛
- Organizer
  日本応用数理学会「行列・固有値問題の解法とその応用」研究部会
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] 数値線形代数分野における高性能計算の研究2023
- Author(s)
  深谷猛
- Organizer
  令和5年度電気・情報関係学会北海道支部連合大会（企画セッション：IEEE札幌支部25周年記念講演会電気・情報分野の最新動向と25年後の技術）
- Invited
- Data Source
  KAKENHI-PROJECT-21K11909
[Presentation] Tall-skinny QR factorization with column pivoting by a Cholesky QR type algorithm2023
- Author(s)
  Takeshi Fukaya, Yuji Nakatsukasa, Yusaku Yamamoto
- Organizer
  ISC High Performance 2023, Hamburg
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K11909
[Presentation] Performance Evaluation of Various Algorithms for Computing Tall-skinny QR Factorization2022
- Author(s)
  Takeshi Fukaya
- Organizer
  2022 Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K11909
[Presentation] A new version of AINV preconditioning simplified by using nonzero element positions of a coefficient matrix2022
- Author(s)
  Kengo Suzuki, Takeshi Fukaya, Takeshi Iwashita
- Organizer
  15th World Congress on Computational Mechanics \& 8th Asian Pacific Congress on Compuational Mechanics (WCCM-APCOM YOKOHAMA2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] ブロック構造に基づくフィルイン制御を用いたSIMD演算に適したILU分解前処理手法2022
- Author(s)
  鈴木謙吾, 深谷猛, 岩下武史
- Organizer
  日本応用数理学会2022年度年会
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] 非対称行列向けSubspace correction法による複数連立一次方程式の求解高速化2022
- Author(s)
  多森浩俊, 深谷猛, 岩下武史
- Organizer
  The 6th cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG 2022)
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] CholeskyQRとBCGS2による非縦長行列のQR分解2022
- Author(s)
  門倉陣之介, 深谷猛, 岩下武史
- Organizer
  The 6th cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG2022)
- Data Source
  KAKENHI-PROJECT-21K11909
[Presentation] Algebraic Auxiliary Matrix Construction for Subspace Correction and Deflation based on Error Vector Sampling for a Sequence of Linear Systems2022
- Author(s)
  Takeshi Iwashita, Kota Ikehara and Takeshi Fukaya
- Organizer
  SIAM Conference on Parallel Processing and Scientific Computing
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] 誤差ベクトルのサンプリングによるクリロフ分空間反復法の収束性改善2022
- Author(s)
  岩下武史, 池原紘太, 多森浩俊, 深谷猛
- Organizer
  RIMS共同研究（公開型）数値解析が拓く次世代情報社会～エッジから富岳まで～
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] GMRES(m)法における行列データの低精度化に関する検討2021
- Author(s)
  深谷猛，岩下武史
- Organizer
  日本応用数理学会 2021年研究部会連合発表会
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] SIMD演算に適したブロック構造を有する新しいILU分解前処理手法2021
- Author(s)
  鈴木謙吾, 深谷猛, 岩下武史
- Organizer
  The 5th cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG2021)
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] 低精度演算を活用したGMRES(m)法の研究2021
- Author(s)
  深谷猛, Yingqi Zhao, 岩下武史
- Organizer
  第13回自動チューニング技術の現状と応用に関するシンポジウム
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] Exploiting Lower Precision Computing in the GMRES(m) Method2021
- Author(s)
  Takeshi Fukaya, Yingqi Zhao and Takeshi Iwashita
- Organizer
  SIAM Conference on Applied Linear Algebra (LA21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] GPU に適した近似逆行列前処理の簡略化手法2021
- Author(s)
  鈴木謙吾, 深谷猛, 岩下武史
- Organizer
  日本応用数理学会2021年度年会
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] GMRES(m) 法に対する低精度演算・データの積極的導入の可能性に関する検証2021
- Author(s)
  深谷猛, 岩下武史
- Organizer
  日本応用数理学会2021年度年会
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] 誤差ベクトルのサンプリングに基づくSubspace CorrectionおよびDeflationによる前処理付きCGソルバの収束性改善2021
- Author(s)
  池原紘太, 深谷猛, 岩下武史
- Organizer
  日本応用数理学会「行列・固有値問題の解法とその応用」研究部会第32回研究会
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] HBMC Ordering for SIMD Vectorization of IC Preconditioning2021
- Author(s)
  Takeshi Iwashita and Takeshi Fukaya
- Organizer
  International Workshop on the Integration of (Simulation+Data+Learning); Towards Society 5.0 by h3-Open-BDEC
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] GMRES(m) 法に対する低精度演算・データの積極的導入の可能性に関する検証2021
- Author(s)
  深谷猛, 岩下武史
- Organizer
  日本応用数理学会2021年度年会
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] SIMD演算に適したブロック構造を有する新しいILU分解前処理手法2021
- Author(s)
  鈴木謙吾, 深谷猛, 岩下武史
- Organizer
  The 5th cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG2021)
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] 最近のマルチコアCPU環境における疎行列ベクトル積の性能に関する一考察2021
- Author(s)
  深谷猛, 岩下武史, 中島浩
- Organizer
  2021年並列／分散／協調処理に関するサマー・ワークショップ (SWoPP2021) / 日本応用数理学会「行列・固有値問題の解法とその応用」研究部会 (MEPA)
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] 近似逆行列前処理における前処理行列生成部の簡略化とスレッド並列化2021
- Author(s)
  鈴木謙吾, 深谷猛, 岩下武史
- Organizer
  第182回HPC研究会
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] Shifted CholeskyQR3 for High Performance Tall-Skinny QR Factorization2020
- Author(s)
  Takeshi Fukaya, Ramaseshan Kannan, Yuji Nakatsukasa, Yusaku Yamamoto, Yuka Yanagisawa
- Organizer
  2020 SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP20)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] Effect of Mixed Precision Computing on H-matrix Vector Multiplication in BEM Analysis2020
- Author(s)
  Rise Ooi, Takeshi Iwashita, Takeshi Fukaya, Akihiro Ida and Rio Yokota
- Organizer
  International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] 反復改良法とGMRES法を用いた整数演算による線形ソルバ2020
- Author(s)
  岩下武史, 鈴木謙吾, 深谷猛
- Organizer
  日本応用数理学会「行列・固有値問題の解法とその応用」研究部会 (MEPA) 第30回研究会
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] ブロックに基づくfill-in選択手法を利用したILU-GMRESソルバ2020
- Author(s)
  鈴木謙吾，深谷猛，岩下武史
- Organizer
  第177回HPC研究発表会
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] 縦長行列の列ピボット付きQR分解に対するコレスキーQR型アルゴリズムの検討2020
- Author(s)
  深谷猛, 中務佑治, 山本有作
- Organizer
  日本応用数理学会2020年度年会
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] Automated Subspace Correction法を前処理とするCGソルバの開発と評価2020
- Author(s)
  池原紘太，深谷猛，岩下武史
- Organizer
  The 4th cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG2020)
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] An Integer Arithmetic-Based Sparse Linear Solver Using a GMRES Method and Iterative Refinement2020
- Author(s)
  Takeshi Iwashita, Kengo Suzuki and Takeshi Fukaya
- Organizer
  2020 IEEE/ACM 11th Workshop on Latest Advances in Scalable Algorithms for Large-Scale Systems (ScalA)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K21782
[Presentation] ALS法を用いた密テンソルのCP分解におけるMTTKRPの性能評価2019
- Author(s)
  深谷猛
- Organizer
  The 3rd cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG2019)
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] テンソル分解におけるMTTKRPのスレッド並列化に関する考察2019
- Author(s)
  深谷猛
- Organizer
  第24回計算工学講演会
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] HPC視点に基づくテンソル分解アルゴリズムの高性能化2019
- Author(s)
  深谷猛
- Organizer
  第11回自動チューニング技術の現状と応用に関するシンポジウム(ATTA2019)
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] Shifted Cholesky QR algorithm for computing the QR factorization of ill-conditioned matrices2019
- Author(s)
  Takeshi Fukaya, Ramaseshan Kannan, Yuji Nakatsukasa, Yusaku Yamamoto, Yuka Yanagisawa
- Organizer
  2019 Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing (ATAT2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] 倍精度と単精度を用いた混合精度GMRES(m)法の収束性に関する実験的評価2019
- Author(s)
  深谷猛, グドール聖哉, 張臨傑, 岩下武史
- Organizer
  日本応用数理学会2019年度年会
- Data Source
  KAKENHI-PROJECT-19H04122
[Presentation] Recent progress of the Cholesky QR factorization2019
- Author(s)
  Takeshi Fukaya
- Organizer
  2019 Mini-Workshop on Computational Science (MWCS2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] High performance QR factorization of ill-conditioned matrices based on the Cholesky QR algorithm2019
- Author(s)
  Takeshi Fukaya, Ramaseshan Kannan, Yuji Nakatsukasa, Yusaku Yamamoto, Yuka Yanagisawa
- Organizer
  2019 SIAM Conference on Computational Science and Engineering (CSE19)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] Current Status of EigenExa, High-Performance Parallel Dense Eigensolver2018
- Author(s)
  Toshiyuki Imamura, Yusuke Hirota, and Takeshi Fukaya
- Organizer
  International Workshop on Eigenvalue Problems: Algorithms; Software and Applications, in Petascale Computing (EPASA 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] DIA 形式と CRS 形式を組み合わせた Hybrid 形式を用いた疎行列ベクトル積のキャッシュブロッキング2018
- Author(s)
  石田幸輝, 三浦瑛絵, 深谷猛, 岩下武史, 中島浩
- Organizer
  The 2nd. cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG2018)
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] Performance evaluation of time-space tiling with tile-level parallelism for iterative stencil computations2018
- Author(s)
  Takeshi Fukaya and Takeshi Iwashita
- Organizer
  2018 Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing (ATAT in HPC 2018), Tainan, Taiwan
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] An overview of various algorithms for computing tall-skinny QR factorization2018
- Author(s)
  Takeshi Fukaya, Yusaku Yamamoto
- Organizer
  he 37th JSST Annual International Conference on Simulation Technology (JSST2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] 密テンソルに対するALS法の実装方法に関する考察2018
- Author(s)
  深谷猛
- Organizer
  日本応用数理学会2018年度年会
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] Performance Evaluation of Tiled 3D FDTD Solver on Recent Multicore Processors2018
- Author(s)
  Takeshi Iwashita and Takeshi Fukaya
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP18), Tokyo, Japan
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] An Approach to Accelerating the SpMV Kernel by Exploiting Specific Sparse Structures2018
- Author(s)
  Takeshi Fukaya, Koki Ishida, Akie Miura, Takeshi Iwashita, Hiroshi Nakashima
- Organizer
  2018 SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] Performance Evaluation of the Shifted Cholesky QR Algorithm for Ill-Conditioned Matrices2018
- Author(s)
  Takeshi Fukaya, Ramaseshan Kannan, Yuji Nakatsukasa, Yusaku Yamamoto, Yuka Yanagisawa
- Organizer
  SC’18: The International Conference for High Performance Computing, Networking, Storage, and Analysis
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18058
[Presentation] Shifted Cholesky QR for Computing the QR Factorization for Ill-conditioned M2018
- Author(s)
  Yuka Yanagisawa, Takeshi Fukaya, Yuji Nakatsukasa, Yusaku Yamamoto, Ramseshan Kannan
- Organizer
  2018 SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] 時空間タイリングを用いた反復型ステンシル計算とその応用2017
- Author(s)
  深谷猛, 岩下武史
- Organizer
  日本機械学会第30回計算力学講演会（CMD2017）, 東大阪市
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] ステンシル構造を利用した疎行列ベクトル積の高速化に関する検討2017
- Author(s)
  三浦瑛絵, 深谷猛, 岩下武史
- Organizer
  日本応用数理学会若手の会第2回学生研究発表会
- Place of Presentation
  東京大学（東京都文京区）
- Year and Date
  2017-03-05
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] ステンシル構造を利用した疎行列ベクトル積の高速化2017
- Author(s)
  深谷猛, 三浦瑛絵, 岩下武史
- Organizer
  第22回計算工学講演会
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] Performance Evaluation of Time-Space Tiling Strategies for Iterative Stencil Computations on Multi/Many-Core CPU Systems2017
- Author(s)
  Takeshi Fukaya and Takeshi Iwashita
- Organizer
  SIAM Conference on Computational Science and Engineering (CSE17)
- Place of Presentation
  Hilton Atlanta (Atlanta, GA, USA)
- Year and Date
  2017-02-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Performance Evaluation of Time-Space Tiling Strategies for Iterative Stencil Computations on Multi/Many-Core CPU Systems2017
- Author(s)
  Takeshi Fukaya and Takeshi Iwashita
- Organizer
  SIAM Conference on Computational Science and Engineering (CSE17)
- Place of Presentation
  Atlanta (USA)
- Year and Date
  2017-02-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] Temporal and spatial tiling technique with tile-level parallelism and its application to 3D FDTD method2017
- Author(s)
  深谷猛, 岩下武史
- Organizer
  Sapporo Summer HPC Seminar 2017, 札幌市
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] 複数の格納形式を利用した疎行列ベクトル積の高速化に関する検2017
- Author(s)
  石田幸輝, 三浦瑛絵, 深谷猛, 岩下武史, 中島浩
- Organizer
  2017年ハイパフォーマンスコンピューティングと計算科学シンポジウム（HPCS2017）
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] 疎行列のステンシル構造の活用による疎行列ベクトル積の性能向上の調査2017
- Author(s)
  深谷猛, 三浦瑛絵, 岩下武史
- Organizer
  大学ICT推進協議会2017年度年次大会
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] TSQRアルゴリズムにおける三角行列のリダクション処理に関する考察2017
- Author(s)
  深谷猛
- Organizer
  日本応用数理学会2017年度年会
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] Performance Evaluation of Verified Computation for Linear Systems on Parallel Computers2016
- Author(s)
  Yusuke Morikura, Daichi Mukunoki, Takeshi Fukaya, Naoya Yamanaka, Shin’ichi Oishi
- Organizer
  2nd Annual Meeting on Advanced Computing System and Infrastructure (ACSI2016)
- Place of Presentation
  九州大学医学部百年講堂
- Year and Date
  2016-01-19
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] ScaLAPACKの性能分析と次世代アルゴリズム研究への指針2016
- Author(s)
  深谷猛
- Organizer
  計算物質科学における時空間アップスケーリングと数理手法
- Place of Presentation
  電気通信大学（東京都調布市）
- Year and Date
  2016-11-29
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] 反復型ステンシル計算のマルチコア・メニーコア向け実装に関する考察2016
- Author(s)
  深谷猛, 岩下武史
- Organizer
  日本応用数理学会「行列・固有値問題の解法とその応用」研究部会第21回研究会
- Place of Presentation
  キッセイ文化ホール(松本市, 長野県)
- Year and Date
  2016-08-09
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] マルチコア・メニーコア環境における反復型ステンシル計算と時空間タイリング2016
- Author(s)
  深谷猛, 岩下武史
- Organizer
  日本応用数理学会2016年度年会
- Place of Presentation
  北九州国際会議場(北九州市, 福岡県)
- Year and Date
  2016-09-07
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] 分散並列計算機における密行列ベクトル積の通信隠蔽実装の評価2016
- Author(s)
  川村卓人, 深谷猛, 岩下武史
- Organizer
  2016年ハイパフォーマンスコンピューティングと計算科学シンポジウム（HPCS2016）
- Place of Presentation
  東北大学（宮城県仙台市）
- Year and Date
  2016-06-06
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] 時空間タイリングによる反復型ステンシル計算の性能向上に関する基礎評価2016
- Author(s)
  深谷猛, 岩下武史
- Organizer
  大学ICT推進協議会 2016年度年次大会
- Place of Presentation
  国立京都国際会館(京都市, 京都府)
- Year and Date
  2016-12-16
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] An Impact of Tuning the Kernel of the Structured QR Factorization in the TSQR2016
- Author(s)
  Takeshi Fukaya and Toshiyuki Imamura
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing (PP16)
- Place of Presentation
  Paris (France)
- Year and Date
  2016-04-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] Performance Evaluation of the Choleskyqr2 Algorithm2015
- Author(s)
  Takeshi Fukaya, Yuji Nakatsukasa, Yuka Yanagisawa and Yusaku Yamamoto
- Organizer
  2015 SIAM Conference on Applied Linear Algebra
- Place of Presentation
  Atlanta（USA）
- Year and Date
  2015-10-26
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] 線形計算アルゴリズムと通信回避2015
- Author(s)
  深谷猛
- Organizer
  数理構造保存を接点とした数学・HPC・実科学のクロスオーバー
- Place of Presentation
  電気通信大学（東京都調布市）
- Year and Date
  2015-11-24
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] コレスキーQR分解を用いたブロック直交変換の生成2015
- Author(s)
  深谷猛，中務祐治，山本有作
- Organizer
  第44回数値解析シンポジウム
- Place of Presentation
  ぶどうの丘（山梨県甲州市）
- Year and Date
  2015-06-08
- Data Source
  KAKENHI-PROJECT-15K16000
[Presentation] 重み付き内積空間における行列のQR分解アルゴリズムの考察-高性能計算の視点から2015
- Author(s)
  深谷猛，中務祐治，柳澤優香，山本有作
- Organizer
  日本応用数理学会2015年度年会
- Place of Presentation
  金沢大学（石川県金沢市）
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-15K16000

1. IWASHITA TAKESHI (30324685)

# of Collaborated Projects: 5 results

# of Collaborated Products: 27 results
2. 伊田明弘 (80742121)

# of Collaborated Projects: 3 results

# of Collaborated Products: 1 results
3. YAMAMOTO Yusaku (20362288)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. 塙敏博 (30308283)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. 美舩健 (20362460)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. 高橋康人 (90434290)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. 横田理央 (20760573)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. IMAMURA Toshiyuki (60361838)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
9. Todo Shinji (10291337)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 大井祥栄 (10721045)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 廣田悠輔 (60709765)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
12. 椋木大地 (90742289)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
13. 相島健助 (40609658)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 今倉暁 (60610045)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. WAHIB MOHAMED (00650037)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 芝隼人 (20549563)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 西澤誠也 (40447892)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 金森逸作 (60399805)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 尾崎克久 (90434282)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 張紹良 (20252273)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 佐竹祐樹 (80980458)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Fukaya Takeshi 深谷 猛

Research Projects

Research Products

Co-Researchers

次世代計算機の潜在能力を引き出すための科学技術ソフトウェアの刷新

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

低精度計算を活用した混合精度型線形計算技術の深化Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Next-generation high-performance linear solver for future computational science and engineering

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

society5.0におけるデータ解析に資する高性能線形計算技術の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of technology for scientific simulations only using integer arithmetic for next-generation computers

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

High performance linear solver for advanced computational electromagnetics

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study on improving algorithms for tensor decomposition based on the HPC viewpointPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Fundamental research for improving the practicality of communication-avoiding matrix factorization algorithmsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Theory and Application of Scalable Numerical Software on an O(100M) core environment

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] 分散並列環境におけるCholeskyQRとBCGS2を用いた非縦長行列のQR分解2023

Author(s)

Journal Title

Data Source

[Journal Article] Subspace Correction Preconditioning for Solving a Sequence of Asymmetric Linear Systems Using the Bi-CGSTAB Method2023

Author(s)

Journal Title

DOI

ISSN

Language

Data Source

[Journal Article] A novel ILU preconditioning method with a block structure suitable for SIMD vectorization2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Convergence acceleration of preconditioned conjugate gradient solver based on error vector sampling for a sequence of linear systems2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Distributed Parallel Tall-Skinny QR Factorization: Performance Evaluation of?Various Algorithms on?Various Systems2023

Fukaya Takeshi 深谷猛