Hasegawa Hidehiko 長谷川秀彦

… Alternative Names

HASEGAWA Hidehiko 長谷川秀彦

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Researcher Number	20164824
Other IDs
Affiliation (Current)	2025: 筑波大学, 図書館情報メディア系(名誉教授), 名誉教授
Affiliation (based on the past Project Information) *help	2023: 筑波大学, 図書館情報メディア系(名誉教授), 名誉教授 2011 – 2022: 筑波大学, 図書館情報メディア系, 教授 2013 – 2015: 筑波大学, 図書館情報メディア研究科(系), 教授 2009 – 2010: University of Tsukuba, 大学院・図書館情報メディア研究科, 教授 2003 – 2006: 筑波大学, 図書館情報学系, 助教授
Review Section/Research Field	Principal Investigator High performance computing / Basic Section 60100:Computational science-related / Software Except Principal Investigator Basic Section 60100:Computational science-related / Engineering fundamentals / High performance computing / Educaion
Keywords	Principal Investigator クリロフ部分空間法 / 疎行列 / 反復法 / 連立一次方程式 / 数値解析 / ハイパフォーマンス・コンピューティング / 高精度演算 / 行列画像 / SAN / CNN … More / 自己注意ネットワーク / 自然画像 / 事前学習 / 畳み込みニューラルネットワーク / 機械学習 / 収束性判定 / 大規模疎行列 / 非対称線形方程式 / 多倍長演算 / 非対称疎行列 / 連立一次方程式の反復法 / 共役勾配法 / 対称化 / 非対称行列 / 連立一次方程式の反復解法 / 反復解法 / 混合制度演算 / オブジェクト指向 / 混合精度 / MATLAB / ３重対角化 / 倍々精度演算 / 多倍長計算 / ベクトル化 / リスタート / Quad-double演算 / Double-double演算 / 混合精度演算 / コプロセッサ / GPU / 高速化 / BLAS / ブロック化 / ハウスホルダー変換 / ガウスの消去法 / 帯行列 / 分散処理 / 並列処理 … More Except Principal Investigator 倍々精度演算 / 自動チューニング / 高精度演算 / AVX-512 / 機械学習 / 混合精度計算 / 大規模並列処理 / 高性能計算 / 高精度計算 / library / singular matrix / parallel computer / super computer / preconditioning technique / Krylov-subspace method / fast numerical method / large-scale 1inear systems / COCR法 / Bi-CR法 / Toeplitz行列 / 電子構造計算 / 可変的前処理 / 大規模線形方程式 / ライブラリー / 特異な行列 / 並列コンピュータ / スーパーコンピュータ / 前処理技法 / クリロフ部分空間法 / 高速数値解法 / 大規模連立1次方程式 / ベクトル演算 / マルチコア / 疎行列計算 / 反復計算ライブラリ / ４倍精度演算 / 集団通信 / 多倍長演算 / 性能パラメタ / MPI / 通信量削減 / GMP / AVX / 任意多倍長計算 / 倍々精度計算 / アメリカ:ポルトガル / イギリスの大学 / カナダの大学 / アメリカの大学 / オーストラリアの大学 / 東南アジアの大学 / ラーニング・コモンズ / 国際情報交換 / 大学図書館 / 高等教育 / 学習支援 / 図書館情報学 / 教育学 Less

機械学習によって行列画像から反復法の収束を予測し、適切な解法を選択する方法の検討Principal Investigator
- Principal Investigator
  
  長谷川秀彦
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60100:Computational science-related
- Research Institution
  University of Tsukuba
Research on construction of high-precision computing environment for massively parallel computers and automatic tuning of computing accuracy
- Principal Investigator
  
  Tanaka Teruo
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60100:Computational science-related
- Research Institution
  Kogakuin University
Development of Iterative solvers for unsymmetric linear equations using Conjugate Gradient method and High Precision ArithmeticPrincipal Investigator
- Principal Investigator
  
  HASEGAWA Hidehiko
- Project Period (FY)
  2017 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  High performance computing
- Research Institution
  University of Tsukuba
Improvement of Convergence and Performance for the Krylov Subspace Methods using High-Precision ArithmeticPrincipal Investigator
- Principal Investigator
  
  HASEGAWA Hidehiko
- Project Period (FY)
  2013 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  High performance computing
- Research Institution
  University of Tsukuba
Development of double-double precision iterative method for multi-core processor based on vector operation and communication avoidance
- Principal Investigator
  
  Tanaka Teruo
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  High performance computing
- Research Institution
  Kogakuin University
Acceleration of band algorithms using fast dense kernels for large Band matricesPrincipal Investigator
- Principal Investigator
  
  HASEGAWA Hidehiko
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Software
- Research Institution
  University of Tsukuba
Study of Developing Learning Space Model in College
- Principal Investigator
  
  MIZOUE Chieko
- Project Period (FY)
  2008 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Educaion
- Research Institution
  University of Tsukuba
Synthetical development of fast numerical methods for solving large-scale linear systems which arise g from the field of computational science and engineerin
- Principal Investigator
  
  ZHANG Shao-liang
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Engineering fundamentals
- Research Institution
  Nagoya University
  The University of Tokyo

All 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 Other

All Journal Article Presentation Book

[Book] 固有値計算と特異値計算2019
- Author(s)
  長谷川秀彦，今村俊幸，山田進，櫻井鉄也，荻田武史，相島健助，木村欣司，中村佳正
- Total Pages
  214
- Publisher
  丸善出版
- ISBN
  9784621304730
- Data Source
  KAKENHI-PROJECT-17K00164
[Journal Article] Predicting the convergence of BiCG method from grayscale matrix images2020
- Author(s)
  Ryo Ota and Hidehiko Hasegawa
- Journal Title
  
  JSIAM Letters
  
  Volume: -
- NAID
  130007881798
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K00164
[Journal Article] Comparison of Tridiagonalization Methods using High Precision Arithmetic with MuPAT on Scilab2017
- Author(s)
  K. Asami, R. Ino, E. Ishiwata, and H. Hasegawa
- Journal Title
  
  Proceedings on International Workshop on Eigenvalue Problems: Algorithms; Software and Applications, in Petascale Computing
  
  Volume: 印刷中
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25330141
[Journal Article] Comparison of Tridiagonalization Methods Using High-Precision Arithmetic with MuPAT2017
- Author(s)
  Ino Ryoya、Asami Kohei、Ishiwata Emiko、Hasegawa Hidehiko
- Journal Title
  
  Lecture Notes in Computational Science and Engineering 117
  
  Volume: - Pages: 125-141
- DOI
  10.1007/978-3-319-62426-6_9
- ISBN
  9783319624242, 9783319624266
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25330141
[Journal Article] AVX2を用いた倍精度BCRS形式疎行列と倍々精度ベクトル積の高速化2014
- Author(s)
  菱沼利彰, 藤井昭宏, 田中輝雄, 長谷川秀彦
- 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: 7 Pages: 25-33
- NAID
  110009851548
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25330144
[Journal Article] Effectiveness of sparse data structure for double-double and quad-double arithmetics2014
- Author(s)
  T. Saito, S. Kikkawa, E. Ishiwata, and H. Hasegawa
- Journal Title
  
  Lecture Notes in Computer Science 8384
  
  Volume: 8384 Pages: 643-651
- DOI
  10.1007/978-3-642-55224-3_60
- ISBN
  9783642552236, 9783642552243
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25330141
[Journal Article] Scilabにおける高精度演算環境 MuPAT の実装2013
- Author(s)
  吉川慧子，斉藤翼，石渡恵美子，長谷川秀彦
- Journal Title
  
  図書館情報メディア研究
  
  Volume: Vol. 11, No. 1 Pages: 23-46
- NAID
  120005348371
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25330141
[Presentation] Parallelization of DD and QD high-precision arithmetic operations2020
- Author(s)
  Hidehiko Hasegawa, Hotaka Yagi, and Emiko Ishiwata
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing (PP20)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] Predicting the Convergence of an Iterative Method from Matrix Images using CNN2020
- Author(s)
  Ryo Ota and Hidehiko Hasegawa
- Organizer
  International Conference on High performance Computing in Asia-Pacific Region (HPC Asia 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] More Accurate Computation for Double-double Arithmetic without Additional Execution Time by Parallel Processing2020
- Author(s)
  Hotaka Yagi, Emiko Ishiwata, and Hidehiko Hasegawa
- Organizer
  International Conference on High performance Computing in Asia-Pacific Region (HPC Asia 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] 行列のグレースケール画像を用いたBiCG法収束予測の試み2019
- Author(s)
  太田凌、長谷川秀彦
- Organizer
  日本応用数理学会第15回研究部会連合発表会年会, 「行列・固有値の解法とその応用」研究部会
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] Acceleration of Interactive Multiple Precision Arithmetic Toolbox MuPAT by FMA, SIMD, and OpenMP2019
- Author(s)
  Hotaka Yagi, Emiko Ishiwata, and Hidehiko Hasegawa
- Organizer
  International Conference of Parallel Computing (ParCo 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] Accelaration of MuPAT on MATLAB/scilab Using Parallel Processing2018
- Author(s)
  Hotaka Yagi, Emiko Ishiwata, and Hidehiko Hasegawa
- Organizer
  the eighteenth SIAM Conference on Parallel Processing for Scientific Computing (PP18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] 並列処理を用いた対話的多倍長演算環境 MuPAT の高速化2018
- Author(s)
  八木武尊，長谷川秀彦，石渡恵美子
- Organizer
  第17回情報科学技術フォーラム
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] 多倍長精度浮動小数点演算の並列化2018
- Author(s)
  八木武尊，菱沼利彰, 石渡恵美子, 長谷川秀彦
- Organizer
  日本応用数理学会 2018年度年会, 「正会員主催OS：多倍長精度浮動小数点演算の高速化手法と応用」
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] Strategy of Precision Switching for Mixed Precision Iterative Method2018
- Author(s)
  Masaki Suwa, Akihiro Fujii, Teruo Tanaka, Hidehiko Hasegawa
- Organizer
  10th International Workshop on Parallel Matrix Algorithms and Applications (PMAA 18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11340
[Presentation] DD-AVX Library2017
- Author(s)
  Hidehiko Hasegawa, Toshiaki Hishinuma, and Teruo Tanaka
- Organizer
  ITBL booth's poster presentation at SC17
- Data Source
  KAKENHI-PROJECT-17K00164
[Presentation] Robust and Fast BiCG Method using SIMD-Accelerated DD Arithmetic2017
- Author(s)
  H. Hasegawa and T. Hishinuma
- Organizer
  The International Conference on Preconditioning Techniques for Scientific and Industrial Applications (Preconditioning 2017), Poster Presentation
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25330141
[Presentation] MATLAB上での高精度演算の実装について2017
- Author(s)
  長谷川秀彦，椎葉健，石渡恵美子
- Organizer
  第16回情報科学技術フォーラム
- Data Source
  KAKENHI-PROJECT-25330141
[Presentation] SIMD Parallel Sparse Matrix-Vector and Transposed-Matrix-Vector Multiplication in DD Precision2016
- Author(s)
  Toshiaki Hishinuma, Hidehiko Hasegawa, Teruo Tanaka
- Organizer
  12th International Meeting on High Performance Computing for Computational Science(VECPAR2016)
- Place of Presentation
  ポルト、ポルトガル
- Year and Date
  2016-06-28
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] Eigenvalue computation using High Precision Arithmetic Toolbox MuPAT on Scilab2015
- Author(s)
  Kohei Asami, Ryoya Ino, Emiko Ishiwata, and Hidehiko Hasegawa
- Organizer
  Poster presentation at International Workshop on Eigenvalue Problems: Algorithms; Software and Applications, in Petascale Computing
- Place of Presentation
  EPOCHAL TSUKUBA, Tsukuba, Japan
- Year and Date
  2015-09-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25330141
[Presentation] DD-AVX: Library of high-precision operations accelerated by AVX2015
- Author(s)
  Toshiaki Hishinuma, Teruo Tanaka, Akihiro Fujii, and Hidehiko Hasegawa
- Organizer
  Supercomputing 2015 (SC15), ITBL Booth
- Place of Presentation
  アトランタ（米国）
- Year and Date
  2015-11-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] AVXを用いた倍々精度疎行列ベクトル積の高速化2014
- Author(s)
  菱沼利彰, 藤井昭宏,長谷川秀彦, 田中輝雄
- Organizer
  第4回多倍長精度計算フォーラム
- Place of Presentation
  東京　工学院大学
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] Fast computation of double precision sparse matrix in BCRS and DD vector product using AVX22014
- Author(s)
  Toshiaki Hishinuma, Akihiro Fujii, Teruo Tanaka, and Hidehiko Hasegawa
- Organizer
  11th International Meeting High Performance Computing for Computational Science(VECPAR)
- Place of Presentation
  アメリカ　ユージーン
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] 疎行列ベクトル積に対する OpenMP スケジューリング方式の分析2014
- Author(s)
  菱沼利彰,田中輝雄, 長谷川秀彦
- Organizer
  情報処理学会HPCS2014
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] AVX Acceleration of DD Arithmetic between a Sparse Matrix and Vector2013
- Author(s)
  Toshiaki Hishinuma, Akihiro Fujii, Teruo Tanaka, and Hidehiko Hasegawa
- Organizer
  10th International Conference on Parallel Processing and Applied Mathematics　(PPAM2013)
- Place of Presentation
  ポーランド，ワルシャワ
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] Effectiveness of sparse data structure for double-double and quad-double arithmetics2013
- Author(s)
  T. Saito, S. Kikkawa, E. Ishiwata, and H. Hasegawa
- Organizer
  the Tenth International Conference on Parallel Processing and Applied Mathematics (PPAM 2013)
- Place of Presentation
  Polish-Japanese Institute of Information Technology, Warsaw, Poland
- Data Source
  KAKENHI-PROJECT-25330141
[Presentation] Parallel Sieve Processing on Vector Processor and GPU2012
- Author(s)
  Yasunori Ushiro, Yoshinari Fukui, Hidehiko Hasegawa
- Organizer
  15th SIAM Conference on Parallel Processing for Scientific Computing
- Place of Presentation
  Savannah, GA, U.S.A.
- Year and Date
  2012-02-16
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Parallel SieveProcessing on Vector Processor and GPU2012
- Author(s)
  Yasunori Ushiro, Yoshinari Fukui, and Hidehiko Hasegawa
- Organizer
  Talk at the fifteenth SIAM Conference on Parallel Processing for Scientific Computing (PP12)
- Place of Presentation
  Hyatt Regency Savannah, Savannah, Georgia USA
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Multiple-component型高精度演算環境の構築とその応用2011
- Author(s)
  斎藤翼, 石渡恵美子, 長谷川秀彦
- Organizer
  第40回数値解析シンポジウム(ポスターセッション)
- Place of Presentation
  鳥羽シーサイドホテル
- Year and Date
  2011-06-21
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Effectiveness of Partial Use of Quadruple Precision Arithmetic with QuPAT to Iterative Methods2011
- Author(s)
  Tsubasa Saito, Emiko Ishiwata, andHidehiko Hasegawa
- Organizer
  Talk at the 7th International Congress on Industrial and Applied Mathematics (ICIAM 2011)
- Place of Presentation
  Talk at the 7th International Congress on Industrial and Applied Mathematics (ICIAM 2011)
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Multiple-component型高精度演算環境の構築とその応用2011
- Author(s)
  斎藤翼, 石渡恵美子, 長谷川秀彦
- Organizer
  第40回数値解析シンポジウムNAS2011, 鳥羽シーサイドホテル
- Place of Presentation
  三重
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] 高速なScilab用高精度演算環境の実装2011
- Author(s)
  吉川慧子, 齋藤翼, 石渡恵美子, 長谷川秀彦
- Organizer
  日本応用数理学会「行列・固有値の解法とその応用」研究部会の第12回研究会
- Place of Presentation
  東京, 国立情報学研究所
- Year and Date
  2011-11-21
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Effectiveness of Partial Use of Quadruple Precision Arithmetic with QuPAT to Iterative Methods2011
- Author(s)
  Tsubasa Saito, Emiko Ishiwata, Hidehiko Hasegawa
- Organizer
  ICIAM 2011--7th International Congress on Industrial and Applied Mathematics
- Place of Presentation
  Vancouver, BC, Canada
- Year and Date
  2011-07-19
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] 高速なScilab用高精度演算環境の実装2011
- Author(s)
  吉川慧子, 齋藤翼, 石渡恵美子, 長谷川秀彦
- Organizer
  日本応用数理学会「行列・固有値の解法とその応用」研究部会の第12回研究会
- Place of Presentation
  国立情報学研究所
- Year and Date
  2011-11-21
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Scilabにおける4倍精度演算環境Toolbox「QuPAT」の開発2010
- Author(s)
  齋藤翼, 石渡恵美子, 長谷川秀彦
- Organizer
  第15回計算工学講演会論文集, 第15巻第2号, 福岡
- Place of Presentation
  九州大学医学部百年講堂
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] 反復法における4倍精度演算と倍精度演算の組み合わせ法について2010
- Author(s)
  長谷川秀彦, 小武守恒
- Organizer
  第15回計算工学講演会論文集, 第15巻第2号
- Place of Presentation
  九州大学医学部百年講堂
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Application of Double-Double arithmetic for Iterative2010
- Author(s)
  Hidehiko Hasegawa and Hisahi Kotakemori
- Organizer
  Methods at the 6th International Workshop on Parallel Matrix Algorithmsand Applications (PMAA '10)
- Place of Presentation
  Basel, Switzerland
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] 反復法における4倍精度演算と倍精度演算の組み合わせ法について2010
- Author(s)
  長谷川秀彦
- Organizer
  第15回計算工学講演会
- Place of Presentation
  九州大学医学部百年講堂
- Year and Date
  2010-05-28
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] Developmrnt of Quadruple Precision Arithmetic Toolbox QuPAT on Scilab2010
- Author(s)
  T. Saito, E. Ishiwata, and H. Hasegawa
- Organizer
  Lecture Notes in Computer Science 6017, pp. 60-70, Springer, 2010 at The International Conference on Computational Science and its Applications (ICCSA 2010)
- Place of Presentation
  Fukuoka, Japan
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] 倍精度演算を用いた4倍精度演算環境の実装と効果2009
- Author(s)
  齋藤翼, 石渡恵美子, 長谷川秀彦
- Organizer
  日本応用数理学会2009年度年会講演予稿集, 豊中
- Place of Presentation
  大阪大学豊中キャンパス
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] 古典的アルゴリズムによる大規模対称帯行列の固有値解析2009
- Author(s)
  長谷川秀彦
- Organizer
  第14回計算工学講演会論文集, 第14巻第1号
- Place of Presentation
  東京大学生産技術研究所
- Data Source
  KAKENHI-PROJECT-21500030
[Presentation] AVX2を用いた倍々精度反復解法の高速化
- Author(s)
  菱沼利彰, 藤井昭宏, 田中輝雄, 長谷川秀彦
- Organizer
  情報処理学会ハイパフォーマンスコンピューティング研究発表会, Vol.2015-HPC-148
- Place of Presentation
  別府
- Year and Date
  2015-03-02 – 2015-03-03
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] Fast computation of double precision sparse matrix in BCRS and DD vector product using AVX2
- Author(s)
  Toshiaki Hishinuma, Akihiro Fujii, Teruo Tanaka, and Hidehiko Hasegawa
- Organizer
  11th International Meeting HighPerformance Computing for Computional Science (VECPAR2014)
- Place of Presentation
  Eugene,Oregon, USA
- Year and Date
  2014-07-01 – 2014-07-03
- Data Source
  KAKENHI-PROJECT-25330144
[Presentation] 高精度演算を用いた混合精度反復法
- Author(s)
  長谷川秀彦
- Organizer
  日本応用数理学会三部会連携「応用数理セミナー」
- Place of Presentation
  東京大学本郷キャンパス，東京都文京区
- Invited
- Data Source
  KAKENHI-PROJECT-25330141

1. Tanaka Teruo (90622837)

# of Collaborated Projects: 3 results

# of Collaborated Products: 11 results
2. 石渡恵美子 (30287958)

# of Collaborated Projects: 2 results

# of Collaborated Products: 13 results
3. MIZOUE Chieko (40283030)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. SHIMIZU Kazuhiko (20167448)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. TOSHIMORI Atsushi (80222149)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. IKEUCHI Atsushi (80338607)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. ISHII Hirotoyo (70232238)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. ITSUMURA Hiroshi (50232418)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. UEMTSU Sadao (50134250)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. UDA Norihiko (50261813)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. NAGATA Haruki (40124200)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. ISHII Kaori (00398976)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. DONKAI Saori (60523173)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. SON Jihyeon (40412936)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. MATSUBAYASHI Mamiko (10359581)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. HARA Atsuyuki (60261814)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. FUJII Akihiro (10383986)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
18. ZHANG Shao-liang (20252273)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. OYANAGI Yoshio (60011673)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. FUJINO Seiji (40264965)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. HAYAMI Ken (20251358)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. ABE Kuniyoshi (10311086)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 手塚太郎 (40423016)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. INOUE Taku

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. SATO Sho

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Hasegawa Hidehiko 長谷川 秀彦

HASEGAWA Hidehiko 長谷川 秀彦

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機械学習によって行列画像から反復法の収束を予測し、適切な解法を選択する方法の検討Principal Investigator

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Research on construction of high-precision computing environment for massively parallel computers and automatic tuning of computing accuracy

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Development of Iterative solvers for unsymmetric linear equations using Conjugate Gradient method and High Precision ArithmeticPrincipal Investigator

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Improvement of Convergence and Performance for the Krylov Subspace Methods using High-Precision ArithmeticPrincipal Investigator

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Development of double-double precision iterative method for multi-core processor based on vector operation and communication avoidance

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Acceleration of band algorithms using fast dense kernels for large Band matricesPrincipal Investigator

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Study of Developing Learning Space Model in College

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Synthetical development of fast numerical methods for solving large-scale linear systems which arise g from the field of computational science and engineerin

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[Book] 固有値計算と特異値計算2019

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[Journal Article] Predicting the convergence of BiCG method from grayscale matrix images2020

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[Journal Article] Comparison of Tridiagonalization Methods using High Precision Arithmetic with MuPAT on Scilab2017

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[Journal Article] Comparison of Tridiagonalization Methods Using High-Precision Arithmetic with MuPAT2017

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[Journal Article] AVX2を用いた倍精度BCRS形式疎行列と倍々精度ベクトル積の高速化2014

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[Journal Article] Effectiveness of sparse data structure for double-double and quad-double arithmetics2014

Hasegawa Hidehiko 長谷川秀彦

HASEGAWA Hidehiko 長谷川秀彦