Imamura Toshiyuki 今村俊幸

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IMAMURA Toshiyuki 今村俊幸

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Researcher Number	60361838
Other IDs
Affiliation (Current)	2025: 国立研究開発法人理化学研究所, 計算科学研究センター, チームプリンシパル
Affiliation (based on the past Project Information) *help	2019 – 2025: 国立研究開発法人理化学研究所, 計算科学研究センター, チームリーダー 2017: 理化学研究所, 計算科学研究センター, チームリーダー 2015 – 2017: 国立研究開発法人理化学研究所, 計算科学研究機構, チームリーダー 2014: 独立行政法人理化学研究所, その他部局等, その他 2014: 理化学研究所, 計算科学研究機構, チームリーダー … More 2012 – 2014: 独立行政法人理化学研究所, 計算科学研究機構, チームリーダー 2013: 独立行政法人理化学研究所, 計算科学研究機構, 研究員(移行) 2012: 独立行政法人理化学研究所, 計算科学研究機構, 研究員 2011: 電気通信大学, 情報理工学研究科, 准教授 2010 – 2011: 電気通信大学, 大学院・情報理工学研究科, 准教授 2009 – 2011: 電気通信大学, 情報理工学部, 准教授 2007 – 2011: The University of Electro Communications, Electro-Communication, Associate Professor 2006: 電気通信大学, 電気通信学部, 助教授 2003 – 2004: 電気通信大学, 電気通信学部, 講師 Less
Review Section/Research Field	Principal Investigator Sections That Are Subject to Joint Review: Basic Section60040:Computer system-related , Basic Section60090:High performance computing-related / Basic Section 60040:Computer system-related / Basic Section 60090:High performance computing-related / Basic Section 60100:Computational science-related / High performance computing / Computer system/Network Except Principal Investigator Software / General mathematics (including Probability theory/Statistical mathematics) / Basic Section 60090:High performance computing-related / Computer system/Network … More / Sections That Are Subject to Joint Review: Basic Section60040:Computer system-related , Basic Section60090:High performance computing-related / Basic Section 60040:Computer system-related / Computational science / Science and Engineering / Science and Engineering Less
Keywords	Principal Investigator 非同期 / 高並列計算 / 条件付き・競争的タスクスケジューリング / スケジューラ / データ並列 / 数値計算アルゴリズム / 非同期・条件付き・競争的タスク / タスク並列・データ並列 / 非同期・条件付き・競争的タスク / DAG … More / タスク並列 / 非同期・条件付・競争的タスク / 高並列処理 / タスクスケジュール / 高性能数値線形代数 / 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 / 高性能計算 / 性能データベース / 高性能BLAS / 固有値計算 / QR分解 / GPGPU / ハイブリッド並列プログラミングモデル / 動的負荷分散 / 実行時最適化 / マルチコア … More Except Principal Investigator ハイパフォーマンスコンピューティング / 自動チューニング / 並列化 / 高性能計算 / 並列計算 / 固有値計算 / 密度行列繰り込み群 / 固有値 / メニーコア / 線形計算 / アルゴリズム / ミドルウェア / 計算科学 / 実行時最適化 / ABCLibScript / マルチコア / ハバードモデル / フェルミ粒子 / 量子計算 / 性能評価 / 実験計画 / 逐次実験計画 / 地球シミュレータ / PML / FDTD法 / アンテナ / 丸め誤差解析 / 浮動小数点演算 / 大規模並列計算 / 数値線形代数 / テスト行列 / SYCL / 混合精度演算 / クリロフ部分空間法 / 固有値問題 / 電子波ダイナミクス / 通信回避型アルゴリズム / 行列関数 / 前処理付き反復法 / 有機高分子系 / 連立1次方程式解法 / 理論流体力学 / 非線形固有値問題 / 確率的アルゴリズム / 電子状態計算 / 直交化 / 連立1次方程式 / Hubbard model / Fermion / Parallel Comnuting / Eigenvalue Solver / The Earth Simulator / Density Matrix Renormalization Group / High Performance Comnuting / Auto-tuning Software Engineering / ABCLibScriot / Embedded Systems / Auto Tuning / High Performance Computing / High Speed Information Processin / Software Development Efficiency & Stabilization / Software Engineering / FIBER方式 / 組み込みソフトウエア / ソフトウエア開発効率化・安定化 / ソフトウエア学 / 自動チューニングソフトウエア工学 / 組み込みシステム / ハイパフォーマンス・コンピューティング / 超高速情報処理 / ソフトウエア開発効率・安定化 / ソフトウエア工学 / numerical verification of local uniqueness / integral equations / self-validated computation / singular integral / 局所一意性 / 初期値問題 / 常微分方程式 / 関数方程式 / 数値的検証法 / 精度保証法 / 局所一意性の精度保証 / 積分方程式 / 精度保証付き計算 / DE変換公式 / 非均質計算機 / ハイブリッドMPI / エクサスケールコンピューティング / OpenFOAM / pXabclib / 疎行列反復解法 / OpenATLib / Xabclib / 強相関電子系 / 密度行列繰り込み群法 / 強相関系 / 強相関量子多体系 / 並列処理・分散処理 / バイオインフォマティクス / 離散最適化 / 最適化コンパイラ / 探索アルゴリズム / 性能相関 / コンパイラ / 大規模探索 / 行列計算 / 軽量化 / コンパイラ技術 / 自動チューニング記述言語 / 性能モデリング / Sakurai-Sugiura法 / Block Krylov部分空間反復法 / 疎行列ベクトル積 / 4倍・8倍精度演算 / Block Krylovアルゴリズム / 固有値ソルバ / 3倍精度浮動小数点演算 / 高速フーリエ変換 / GPGPU / 数値計算アルゴリズム / 大規模並列環境 / 多重散乱問題 / 高伝導度モデル / エアリード / 波動伝播 / 高電導度モデル / DtN有限要素法 / 数値計算 / エッジトーン / ディリクレ・ノイマン写像 / 複素共鳴固有値 / マルチコア分散並列 / FDTD / 波動伝搬 / 大規模行列計算 / フレームワーク / 応用数学 / 大規模数値シミュレーション / T2Kオープンスパコン / 品質管理 / 並列実験 / 超並列 / 高生産性 / コード自動生成 / ソフトウェア自動チューニング / GPU / ハイパフォーマンスコピューティング / ババードモデル / 並列アルゴリズム / 性能最適化 / 分散処理 / 並列処理 / 反復法 / 情報爆発 / 逐次統計 / 行列計算アルゴリズム / 数理工学 / 統計科学 / 性能モデル / 機械学習 / Bayes統計 / 遺伝的アルゴリズム / 境界要素法 / 最適化アルゴリズム / 並列計算手法 / 声道形状設計 / 基本解解法 / 有限要素法 / 大規模固有値計算 / 形状設計 / 音声生成 / 波動伝播現象 Less

任意混合精度演算を基盤とする次世代浮動小数点数環境の構築Principal Investigator
- Principal Investigator
  
  今村俊幸
- 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
  Institute of Physical and Chemical Research
数値線形代数の数値解に対する厳密精度評価の基盤形成
- Principal Investigator
  
  尾崎克久
- Project Period (FY)
  2023 – 2025
- 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
  Shibaura Institute of Technology
ハイブリッド混合精度処理によるエクサスケール反復解法ライブラリの開発
- Principal Investigator
  
  伊奈拓也
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Japan Atomic Energy Agency
Research on high-performance and high-dimensional numerical linear algebra applying an asynchronous task mechanism on the exascale computing eraPrincipal Investigator
- Principal Investigator
  
  Imamura Toshiyuki
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60100:Computational science-related
- Research Institution
  Institute of Physical and Chemical Research
Theory and Application of Scalable Numerical Software on an O(100M) core environmentPrincipal Investigator
- 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
An extended linear algebra library for electronic structure calculation and its optimization for many-core processors
- Principal Investigator
  
  Yamamoto Yusaku
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Computational science
- Research Institution
  The University of Electro-Communications
Exa-scale Adaptation to Sparse Iterative Library with Run-time Auto-tuning Facility
- Principal Investigator
  
  KATAGIRI Takahiro
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Software
- Research Institution
  The University of Tokyo
Research on Software Foundations for General Purpose Automatic Tuning Mechanisms
- Principal Investigator
  
  SUDA Reiji
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Computer system/Network
- Research Institution
  The University of Tokyo
Development of parallelization strategy and speedup technique for 2D quamntum system on many-core parallel machines
- Principal Investigator
  
  YAMADA Susumu
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Software
- Research Institution
  Japan Atomic Energy Agency
Numerical Computation Algorithms for Large-scale Parallel Environment
- Principal Investigator
  
  TAKAHASHI Daisuke
- Project Period (FY)
  2010 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
- Review Section
  
  Science and Engineering
- Research Institution
  University of Tsukuba
Auto-tuning with Hierarchical Algorithm Selection
- Principal Investigator
  
  SATO Hiroyuki
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Software
- Research Institution
  The University of Tokyo
Development of Auto-tuning Specification Language Towards Manycore and Massively Parallel Processing Era
- Principal Investigator
  
  KATAGIRI Takahiro
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Software
- Research Institution
  The University of Tokyo
Adaptive Auto-tuning Technology Aiming Complex Multicore and Multiprocessor EnvironmentsPrincipal Investigator
- Principal Investigator
  
  IMAMURA Toshiyuki
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Computer system/Network
- Research Institution
  The University of Electro-Communications
Development of the Framework to Support Large-scale Numerical Simulation on Multi-platform
- Principal Investigator
  
  HIMENO Ryutaro
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Computer system/Network
- Research Institution
  The Institute of Physical and Chemical Research
Study on numerical methods of wave propagation phenomena and its applications to information and energy transmission problems
- Principal Investigator
  
  KAKO Takashi
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  The University of Electro-Communications
Development of Parallelization Method of Simulation Method for Quantum Many-body Problem
- Principal Investigator
  
  YAMADA Susumu
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Software
- Research Institution
  Japan Atomic Energy Agency
情報爆発時代のロバストな自動チューニングシステムに向けた数理的基盤技術の研究
- Principal Investigator
  
  SUDA Reiji
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  The University of Tokyo
Numerical methods for wave propagation phenomena in unbounded region and its applications to shape design problems
- Principal Investigator
  
  KAKO Takashi
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  The University of Electro-Communications
Study on Auto-tuning Method for Numerical Computation and Embedded Systems
- Principal Investigator
  
  KATAGIRI Takahiro
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Software
- Research Institution
  The University of Tokyo
  The University of Electro-Communications
Development of Numerical Algorithm for Quantum Atomic Gas
- Principal Investigator
  
  SUSUMU Yamada
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Software
- Research Institution
  Japan Atomic Energy Agency
Self-validated computation of singular integral and integral equations
- Principal Investigator
  
  YAMAMOTO Nobito
- Project Period (FY)
  2003 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  General mathematics (including Probability theory/Statistical mathematics)
- Research Institution
  The University of Electro-Ccmmunications

[Journal Article] A new data conversion method for mixed precision Krylov solvers with FP16/BF16 Jacobi preconditioners2023
- Author(s)
  Ina Takuya、Idomura Yasuhiro、Imamura Toshiyuki、Onodera Naoyuki
- Journal Title
  
  HPC Asia 2023
  
  Volume: 1 Pages: 29-34
- DOI
  10.1145/3578178.3578222
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K12053
[Journal Article] タイル単位でパック化を行う行列計算2022
- Author(s)
  工藤周平 , 今村俊幸
- 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: Vol. 2022-HPC-185, No. 10 Pages: 1-10
- Data Source
  KAKENHI-PROJECT-19H04127
[Journal Article] CPU+GPU混成システム上の固有値計算ソルバーの現状調査と性能評価2022
- Author(s)
  今村俊幸, 伊奈拓也, 廣田悠輔. 井戸村泰宏
- 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: Vol. 2022-HPC-187, No. 21 Pages: 1-10
- Data Source
  KAKENHI-PROJECT-19H04127
[Journal Article] Batched 3D-distributed FFT kernels towards practical DNS codes2020
- Author(s)
  Toshiyuki Imamura, Masaaki Aoki, Mitsuo Yokokawa
- Journal Title
  
  Advances in Parallel Computing
  
  Volume: 36 Pages: 169-178
- DOI
  10.3233/apc200038
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H04127
[Journal Article] ヤコビ回転カーネルを用いたヤコビ固有値計算手法の性能評価2019
- Author(s)
  工藤周平, 今村俊幸
- 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: 2019-HPC-170, 35 Pages: 1-8
- Data Source
  KAKENHI-PROJECT-19H04127
[Journal Article] Design Towards Modern High Performance Numerical LA Library Enabling Heterogeneity and Flexible Data Formats2018
- Author(s)
  Toshiyuki Imamura, Daichi Mukunoki, Yusuke Hirota, Susumu Yamada, Masahiko Machida
- Journal Title
  
  Advances in Parallel Computing
  
  Volume: 32 Pages: 97-106
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] メニーコアプロセッサにおける多軸分割を用いた3次元FFTの性能評価2018
- Author(s)
  青木聖陽, 今村俊幸, 横川三津夫, 廣田悠輔
- 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: 2018-HPC-163(29) Pages: 1-7
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] Parallel Divide-and-Conquer Algorithm for Solving Tridiagonal Eigenvalue Problems on Manycore Systems2018
- Author(s)
  Hirota Yusuke、Imamura Toshiyuki
- Journal Title
  
  Lecture Notes in Computer Science book series
  
  Volume: 10777 Pages: 623-633
- DOI
  10.1007/978-3-319-78024-5_54
- ISBN
  9783319780238, 9783319780245
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] メニーコアプロセッサ向け分割統治法の実装技術2017
- Author(s)
  廣田悠輔，今村俊幸
- 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-158, NO.20 Pages: 1-9
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] FFTカーネルを用いたKNLでのスケーラビリティに関する調査2017
- Author(s)
  青木聖陽, 廣田悠輔, 今村俊,幸横川三津夫
- 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: 2017-HPC-161(16) Pages: 1-7
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] ポストムーア時代のATと数値線形代数2016
- Author(s)
  今村俊幸
- Journal Title
  
  計算工学講演会論文集
  
  Volume: 21, F-2-2 Pages: 1-2
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] Automatic Thread-Block Size Adjustment for Memory-Bound BLAS Kernels on GPUs2016
- Author(s)
  Daichi Mukunoki, Toshiyuki Imamura and Daisuke Takahashi
- Journal Title
  
  Proceedings of IEEE 10th International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC-16)
  
  Volume: なし Pages: 377-384
- DOI
  10.1109/mcsoc.2016.32
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] コンシューマレンジGPUに最適化した固有値ソルバーの実装と評価2016
- Author(s)
  今村俊幸,椋木大地
- 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: 2016-HPC-157,NO.7 Pages: 1-9
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H02709
[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
[Journal Article] NVIDIA GPUにおけるメモリ律速なBLASカーネルのスレッド数自動選択手法2015
- Author(s)
  椋木大地,今村俊幸,高橋大介
- Journal Title
  
  情報処理学会研究報告
  
  Volume: 2015-HPC-150, No.13 Pages: 1-13
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] SYMV・GEMVルーチン群のマルチGPU化とその評価2015
- Author(s)
  今村俊幸, 椋木大地, 山田進, 町田昌彦
- Journal Title
  
  情報処理学会研究報告
  
  Volume: 2015-HPC-151, Vol.13 Pages: 1-8
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15H02709
[Journal Article] Parallel Computing Design for Exact Diagonalization Scheme on Multi-band Hubbard Cluster Models2014
- Author(s)
  Susumu Yamada, Toshiyuki Imamura, Masahiko Machida
- Journal Title
  
  Parallel Computing: Accelerating Computational Science and Engineering
  
  Volume: Vol. 25 Pages: 427-436
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500056
[Journal Article] Implementation of d-Spline-based incremental performance parameter estimation method with ppOpen-AT2014
- Author(s)
  Teruo Tanaka, Ryo Otsuka, Akihiro Fujii, Takahiro Katagiri and Toshiyuki Imamura,
- Journal Title
  
  Scientific Programming
  
  Volume: 22 Pages: 299-307
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] 4倍精度基本演算ルーチン群QPBLASの紹介とアプリケーションへの応用2012
- Author(s)
  山田進、佐々成正、今村俊幸、町田昌彦
- Journal Title
  
  情報処理学会研究会報
  
  Volume: 2012-HPC-137(23) Pages: 1-6
- Data Source
  KAKENHI-PROJECT-23500056
[Journal Article] Development of a High Performance Eigensolver on the Peta-Scale Next Generation Supercomputer System2011
- Author(s)
  Toshiyuki Imamura, Susumu Yamada and Masahiko Machida
- Journal Title
  
  Progress in Nuclear Science and Technology
  
  Pages: 643-650
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540116
[Journal Article] Development of a High Performance Eigensolver on the Peta-Scale Next Generation Supercomputer System2011
- Author(s)
  Toshiyuki Imamura, Susumu Yamada, Masahiko Machida
- Journal Title
  
  Progress in Nuclear Science and Technology, the Atomic Energy Society of Japan
  
  Volume: 2 Pages: 643-650
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] CUDA環境下でのDGEMV関数の性能安定化・自動チューニングに関する考察2011
- Author(s)
  今村俊幸
- Journal Title
  
  情報処理学会論文誌:コンピューティングシステム
  
  Volume: Vol.4 Pages: 158-168
- NAID
  40019259197
- Peer Reviewed
- Data Source
  KAKENHI-PLANNED-22104003
[Journal Article] Direct extension of the density-matrix renormalization group method to ward two-dimensional large quantum lattices and related high-performance computing2011
- Author(s)
  Susumu Yamada, Masahiko Okumura, Toshiyuki Imamura, Masahiko Machida
- Journal Title
  
  Japan Journal of Industrial and Applied Mathematics, Area 3
  
  Volume: 28 Pages: 141-151
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] ポストペタスケール時代の超並列固有値ソルバー開発2011
- Author(s)
  今村俊幸、山田進、町田昌彦
- Journal Title
  
  日本応用数理学会2011年度年会講演予稿集
- Data Source
  KAKENHI-PROJECT-21300007
[Journal Article] 自動チューニングによる通信最適化を施した固有値ソルバの開発について2011
- Author(s)
  近藤大貴、吉田剛啓、田村遼也、今村俊幸
- Journal Title
  
  情報処理学会研究報告
  
  Volume: HPC-133
- NAID
  110008803059
- Data Source
  KAKENHI-PROJECT-21300007
[Journal Article] Direct extension of the density-matrix renormalization group method toward two-dimensional large quantum lattices and related high-performance computing2011
- Author(s)
  Susumu Yamada, Masahiko Okumura, Toshiyuki Imamura and Masahiko Machida
- Journal Title
  
  Japan Journal of Industrial and Applied Mathematics
  
  Volume: Vol. 28, No. 1 Issue: 1 Pages: 141-151
- DOI
  10.1007/s13160-011-0027-z
- NAID
  10028169589
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500056
[Journal Article] CUDA環境下でのDGEMV関数の性能安定化・自動チューニングに関する考察2011
- Author(s)
  今村俊幸
- Journal Title
  
  情報処理学会論文誌コンピューティングシステム
  
  Volume: Vol.4, No.4 Pages: 158-168
- NAID
  40019259197
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] Development of a High Performance Eigensolver on the Peta-Scale Next Generation Supercomputer System2011
- Author(s)
  Imamura, Toshiyuki; Yamada; Susumu; Machida Masahiko
- Journal Title
  
  Progress in Nuclear Science and Technology
  
  Volume: 2 Pages: 643-650
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540116
[Journal Article] Development of a high performance eigensolver on the peta-scale next generation supercomputer system2010
- Author(s)
  Toshiyuki Imamura, SusumuYamada , Masahiko Machida
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010 (SNA+MC2010)
  
  Volume: CD-ROM
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540116
[Journal Article] Narrow-band reduction approach of a DRSM eigensolver on a multicore-based cluster system2010
- Author(s)
  Imamura.T., Yamada S., Machida M.
- Journal Title
  
  Parallel Computing : From Multicores and GPU's to Petascale(Chapman, B., et al (Eds.)(IOS Press)
  
  Pages: 91-98
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Narrow-band reductionapproach of a DRSM eigensolver on amulticore-based cluster system2010
- Author(s)
  Imamura. T., Yamada, S., and Machida, M
- Journal Title
  
  Parallel Computing : From Multicoresand GPU's to Petascale
  
  Volume: Vol.19 Pages: 91-98
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] High Performance Computing of Density Matrix Renormalization Group Method for 2-Dimensional Model : Parallelization Strategy toward Peta Computing2010
- Author(s)
  Yamada S., Imamura T., Okumura M., Igarashi R., Onishi H., Machida M.
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010 (SNA+MC2010) (CD-ROM)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Development of a high performance eigensolver on the peta-scale next generation supercomputer system2010
- Author(s)
  Imamura T., Yamada S., Machida M.
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010 (SNA+MC2010) (CD-ROM)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] 超並列環境向きの固有値計算アルゴリズムと自動チューニング2010
- Author(s)
  今村俊幸
- Journal Title
  
  応用数理
  
  Volume: 20 Pages: 26-36
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] 超並列環境向きの固有値計算アルゴリズムと自動チューニング2010
- Author(s)
  今村俊幸
- Journal Title
  
  応用数理 Vol.20, No.3
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Novelapproach in a divide and conquer algorithmfor eigenvalue problems of real symmetricband matrices2010
- Author(s)
  H. P. Pham, Toshiyuki Imamura, Susumu Yamada and Masahiko Machida
- Journal Title
  
  Proceedings of JointInternational Conference on Supercomputing in Nuclear Applicationsand Monte Carlo 2010
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540116
[Journal Article] Development of a high performance eigensolver on the peta-scale next generation supercomputer system2010
- Author(s)
  Imamura, T., Yamada, S., Machida, M.
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 201
  
  Volume: (CDROM)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Novel approach in a divide and conquer algorithm for eigenvalue proble ms of real symmetric band matrice2010
- Author(s)
  Pham, H.P., Imamura, T., Yamads, S., Machida, M.
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Mon to Carlo 2010
  
  Volume: (CDROM)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] 超並列環境向きの固有値計算アルゴリズムと自動チューニング2010
- Author(s)
  今村俊幸
- Journal Title
  
  応用数理
  
  Volume: 20 Pages: 212-222
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Novel approach in a divide and conquer algorithm for eigenvalue problems of real symmetric band matrices2010
- Author(s)
  Pham H.P., Imamura T., Yamada S., Machida M.
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010 (SNA+MC2010) (CD-ROM)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] 超並列環境向きの固有値計算アルゴリズムと自動チューニング2010
- Author(s)
  今村俊幸
- Journal Title
  
  応用数理
  
  Volume: Vol.20、No.3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300007
[Journal Article] Narrow-band reduction approach of a DRSM eigensolver on a multicore-based cluster system2010
- Author(s)
  Imamura. T., Yamada, S., Machida, M.
- Journal Title
  
  Parallel Computing : From Multicores and GPU's to Petascale
  
  Pages: 91-98
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Narrow-band reduction approach of a DRSM eigensolver on a multicore-based cluster system2010
- Author(s)
  Imamura.T., Yamada, S., Machida, M
- Journal Title
  
  Parallel Computing : From Multicores and GPU's to Petascale
  
  Volume: 19 Pages: 91-98
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] High-Performance Quantum Simulation for Coupled Josephson Junctions on the Earth Simulator : A challenge to Schroedinger Equation on 256^4Grids2010
- Author(s)
  Imamura, T., Kano, T., Yamada, S., Okumura, M., Machida, M.
- Journal Title
  
  International Journal of High Performance Computing
  
  Volume: 24(3) Pages: 319-334
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] High Performance Computing of Density Matrix Renormalization Group Method for 2-Dimensional Model : Parallelization Strategy toward Peta Computing2010
- Author(s)
  Yamada, S., Imamura, T., Okumura, M., Igarashi, R., Onishi, H., Machida, M
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Mon to Carlo 2010
  
  Volume: (CDROM)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] ペタスケール環境での高並列固有値ソノレバの開発2010
- Author(s)
  今村俊幸
- Journal Title
  
  日本計算工学会計算工学講演会論文集
  
  Volume: VOL.15 Pages: 103-106
- Data Source
  KAKENHI-PROJECT-21300007
[Journal Article] Novel approach in a divide and conquer algorithm for eigenvalue problems of real symmetric band matrices2010
- Author(s)
  H.P.Pham, Toshiyuki Imamura, Susumu Yamada , Masahiko Machida
- Journal Title
  
  Proceedings of Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010 (SNA+MC2010)
  
  Volume: CD-ROM
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540116
[Journal Article] High-Performance Quantum Simulation for Coupled Josephson Junctions on the Earth Simulator : A challenge to the Schrodinger Equation on 256^4 Grids2010
- Author(s)
  T.Imamura、T.Kano, S.Yamada, M.Okumura, M.Machida
- Journal Title
  
  The International Journal of High Performance Computing Applications
  
  Volume: 24 Pages: 319-334
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500044
[Journal Article] High-Performance Quantum Simulation for Coupled Josephson Junctions on the Earth Simulator : A challenge to Schrodinger Equation on 256^4 Grids2010
- Author(s)
  Imamura T., Kano T., Yamada S., Okumura M., Machida M.
- Journal Title
  
  International Journal of High Performance Computing(Sage publication) vol.24 no.3
  
  Pages: 319-334
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Development of a high performance eigensolver on thepeta-scale next generation supercomputersystem2010
- Author(s)
  Toshiyuki Imamura, Susumu Yamada and Masahiko Machida
- Journal Title
  
  Proceedings of JointInternational Conference on Supercomputing in Nuclear Applicationsand Monte Carlo 2010
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21540116
[Journal Article] Narrow-band reduction approach ofa DRSM eigensolver on amulticore-based cluster system、International Parallel Computingconference 2009(ParCo2009)2010
- Author(s)
  Imamura, T.、Yamada, S. and Machida, M.
- Journal Title
  
  Parallel Computing : From Multicoresand GPU's to Petascale
  
  Volume: Vol.19 Pages: 91-98
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300007
[Journal Article] Acceleration of two dimensional FMM using GPU2010
- Author(s)
  Yoshida S., Imamura T.
- Journal Title
  
  Proceedings of International Workshop on Modern Science and Technology 2010 (IWMST 2010), at Kitami Institute of Technology
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] High-Performance Quantum Simulation for Coupled Josephson Junctions on the Earth Simulator : A challenge to Schrodinger Equation on 256^ 4 Grids2010
- Author(s)
  Imamura, T., Kano, T., Yamada, S., Okumura, M., Machida, M.
- Journal Title
  
  International Journal of High Performance Comp uting
  
  Volume: 24 Pages: 319-334
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] マルチコアクラスタのネットワーク構造を考慮した並列密度行列繰り込み群法の通信手法2009
- Author(s)
  山田進、今村俊幸、町田昌彦
- Journal Title
  
  日本計算工学会論文集 2009
- NAID
  130008056222
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500044
[Journal Article] <ソフトウェア自動チューニング技術の応用>MPI通信ライブラリの自動チューニング2009
- Author(s)
  今村俊幸
- Journal Title
  
  情報処理 Vol.50, No.6
  
  Pages: 523-526
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] Analysis of a Security Incident of Opensource Middleware--Case Analysis of 2008 Debian Incident of OpenSSL--, in MidArch 20092009
- Author(s)
  Imamura T., Sato H.
- Journal Title
  
  Proc.9th Int'l Symp.Applications and the Internet
  
  Pages: 247-250
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300007
[Journal Article] High-Performance Quantum Simulation for Coupled Josephson Junctions on the Earth Simulator : A challenge to Schrodinger Equation on 256^4 Grids2009
- Author(s)
  Imamura, T., Kano, T., Yamada S., Okumura, M., Machida, M
- Journal Title
  
  International Journal of High Performance Computing (オンライン)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] MPI通信ライブラリの自動チューニング2009
- Author(s)
  今村俊幸
- Journal Title
  
  情報処理 50
  
  Pages: 523-526
- Data Source
  KAKENHI-PROJECT-21300013
[Journal Article] マルチコアクラスタのネットワーク構造を考慮した並列密度行列繰り込み群法の通信手法2009
- Author(s)
  山田進,今村俊幸,町田昌彦
- Journal Title
  
  日本計算工学会論文集(論文番号20090015) Vol.2009
- NAID
  130008056222
- Data Source
  KAKENHI-PROJECT-20500044
[Journal Article] Quantum Synchronization Effects in Intrinsic Josephson Junctions2008
- Author(s)
  M. Machida, T. Kano, S. Yamada, M. Okumura, T. Imamura
- Journal Title
  
  Physica C 468
  
  Pages: 689-694
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19024018
[Journal Article] Quantum Synchronization Effects in Intrinsic Josephson Junctions2008
- Author(s)
  M. Machida, T. Kano, S. Yamada, M. Okumura, T. Imamura, and T. Koyama
- Journal Title
  
  Physica C (in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540114
[Journal Article] Quantum Synchronization Effects in Intrinsic Josephson Junctions2008
- Author(s)
  M. Machida, T. Kano, S. Yamada, M. Okumura, T. Imamura, and T. Koyama
- Journal Title
  
  Physica C Vol.468
  
  Pages: 689-694
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540114
[Journal Article] LOBPCGにおける段階的収束とwindowの効果について2008
- Author(s)
  今村俊幸
- Journal Title
  
  情報処理学会研究報告 74
  
  Pages: 121-128
- NAID
  110006944028
- Data Source
  KAKENHI-PROJECT-18540114
[Journal Article] キャッシュ性能安定性について2008
- Author(s)
  今村俊幸
- 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 9
  
  Pages: 111-122
- Data Source
  KAKENHI-PROJECT-19024018
[Journal Article] Ultra Large- scale Exact-diagonalization for Confined Fermion-Hubbard Model on the Earth Simulator : Exploration of Superfluidity in Confined Strongly Correlated Systems2007
- Author(s)
  S. Yamada, T. Imamura, T. Kano, Y. Ohashi, H. Matsumoto and M. Machida
- Journal Title
  
  Journal of the Earth Simulator Vol.7
  
  Pages: 23-35
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540114
[Journal Article] 量子大規模固有値問題における共役勾配法の収束性 : 適応的シフト前処理の収束性の評価2006
- Author(s)
  山田進, 今村俊幸, 町田昌彦
- Journal Title
  
  日本計算工学会論文集 Vol.4
- NAID
  130008056184
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18540114
[Journal Article] 量子大規模固有値問題における共役勾配法の収束性 : 適応的シフト前処理の収束性の評価2006
- Author(s)
  山田進, 今村俊幸, 町田昌彦
- Journal Title
  
  日本計算工学会論文集 4・6
  
  Pages: 20060027-20060027
- NAID
  130008056184
- Data Source
  KAKENHI-PROJECT-18540114
[Journal Article] 量子大規模固有値問題における共役勾配法の収束性 : 適応的シフト前処理の収束性の評価2006
- Author(s)
  山田進, 今村俊幸, 町田昌彦
- Journal Title
  
  日本計算工学会論文集 Vol.2006
  
  Pages: 20060027-20060027
- NAID
  130008056184
- Data Source
  KAKENHI-PROJECT-18500033
[Presentation] 正規化されていない疑似高精度計算の設計と精度維持のための手法について2024
- Author(s)
  尾崎克久, 今村俊幸
- Organizer
  日本応用数理学会第20回研究部会連合発表会
- Data Source
  KAKENHI-PROJECT-23K28100
[Presentation] Performance Evaluation of Multi-Precision Conjugate Gradient Method in CPU/GPU Environment Using SYCL2024
- Author(s)
  T. Ina, Y. Idomura, and T. Imamura
- Organizer
  The 6th R-CCS International Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12053
[Presentation] Mixed-precision iterative refinement for real-symmetric eigenvalue decomposition with clustered eigenvalues2023
- Author(s)
  Y. Uchino, K. Ozaki, T. Imamura
- Organizer
  10th International Congress on Industrial and Applied Mathematics (ICIAM2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28100
[Presentation] Iterative refinement for an eigenpair subset of real symmetric matrices2023
- Author(s)
  T. Terao, T. Imamura, K. Ozaki
- Organizer
  10th International Congress on Industrial and Applied Mathematics (ICIAM2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28100
[Presentation] Pair Arithmeticの拡張とその使い方について2023
- Author(s)
  尾崎克久, 今村俊幸
- Organizer
  第247回ARC・第192回HPC合同研究発表会
- Data Source
  KAKENHI-PROJECT-23K28100
[Presentation] Acceleration of iterative refinement for symmetric eigenvalue decomposition with clustered eigenvalues2023
- Author(s)
  Y. Uchino, K. Ozaki, T. Imamura
- Organizer
  25th Conference of the International Linear Algebra Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28100
[Presentation] Mixed-precision eigenvalue solver on GPUs2023
- Author(s)
  T. Imamura
- Organizer
  25th Conference of the International Linear Algebra Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K28100
[Presentation] CPU+GPU混成システム上の固有値計算ソルバーの現状調査と性能評価2022
- Author(s)
  今村俊幸,伊奈拓也,廣田悠輔,井戸村泰宏
- Organizer
  第187回ハイパフォーマンスコンピューティング研究発表会
- Data Source
  KAKENHI-PROJECT-22K12053
[Presentation] 多相CFDシミュレーションにおける悪条件行列に対するGPU向けBFloat16精度前処理の検証2022
- Author(s)
  伊奈拓也,井戸村泰宏,今村俊幸,山下晋,小野寺直幸
- Organizer
  第185回ハイパフォーマンスコンピューティング研究発表会
- Data Source
  KAKENHI-PROJECT-22K12053
[Presentation] CP-ALS についての HPC からの考察と試み2021
- Author(s)
  今村俊幸
- Organizer
  日本応用数理学会 2021 年度年会
- Data Source
  KAKENHI-PROJECT-19H04127
[Presentation] Task Scheduling Strategies for Batched Basic Linear Algebra Subprograms on Many-core CPUs2021
- Author(s)
  D. Mukunoki, Y. Hirota and T. Imamura
- Organizer
  2021 IEEE 14th International Symposium on Embedded Multicore/Many-core Systems-on-Chip (MCSoC), Singapore, Singapore, 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H04127
[Presentation] CPUにおける batched BLAS のためのタスクスケジューリング戦略2021
- Author(s)
  椋木大地, 廣田悠輔, 今村俊幸
- Organizer
  日本応用数理学会 2021年度年会
- Data Source
  KAKENHI-PROJECT-19H04127
[Presentation] エクサ時代の非同期タスクを応用した高性能高次元数値線形代数の研究2020
- Author(s)
  今村俊幸
- Organizer
  第12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(ATTA2020)
- Data Source
  KAKENHI-PROJECT-19H04127
[Presentation] A level‐3 BLAS like kernel of the Jacobi rotations for the Jacobi's eigenvalue algorithm2019
- Author(s)
  KUDO Shuhei, IMAMURA Toshiyuki
- Organizer
  ParNum
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H04127
[Presentation] ヤコビ回転カーネルを用いたヤコビ固有値計算手法の性能評価2019
- Author(s)
  工藤周平, 今村俊幸
- Organizer
  第170回ハイパフォーマンスコンピューティング研究発表会
- Data Source
  KAKENHI-PROJECT-19H04127
[Presentation] エクサ時代の非同期タスクを応用した高性能高次元数値線形代数の研究2019
- Author(s)
  今村俊幸
- 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-19H04127
[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] メニーコア環境における高性能分割統治法ソルバの研究2018
- Author(s)
  廣田悠輔，今村俊幸
- Organizer
  科研費基盤B課題「O(1億)コア環境におけるスケーラブルな数値計算ソフトウェアの理論と応用」ワークショップ, 北海道大学情報基盤センター
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Communication Avoiding Approach for Reduction to Tri-Diagonal, Bi-Diagonal, and Hessenberg Forms2018
- Author(s)
  T. Imamura, Y. Hirota, S. Yamada, M. Machida
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing (SIAM PP18), Tokyo, Japan
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Acceleration of the EigenG solver on a consumer-ranged GPU2017
- Author(s)
  Toshiyuki Imamura
- Organizer
  2017 Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing
- Place of Presentation
  National Taiwan University (Taipei, Taiwan)
- Year and Date
  2017-03-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] メニーコアCPU向け高性能分割統治法アルゴリズム2017
- Author(s)
  廣田悠輔，今村俊幸
- Organizer
  ATμワークショッププログラム，自動チューニング研究会
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Communication Avoiding and Synchronous Reducing Techniques for Dense Parallel Eigenvalue Solver2017
- Author(s)
  Toshiyuki Imamura, Yusuke Hirota, Susumu Yamada and Masahiko Machida
- Organizer
  SIAM Conference on Computational Science and Engineering (CSE17)
- Place of Presentation
  Hilton Atlanta (Atlanta, GA, USA)
- Year and Date
  2017-03-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Implementation Techniques for High Performance BLAS Kernels on Modern GPUs2017
- Author(s)
  Daichi Mukunoki, Toshiyuki Imamura and Daisuke Takahashi
- 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] Development of Banded Eigenvalue Solvers for Shared Memory Parallel Computers2017
- Author(s)
  Yusuke Hirota and Toshiyuki Imamura
- Organizer
  The 7th AICS International Symposium
- Place of Presentation
  Integrated Research Center of Kobe University (Kobe, Japan)
- Year and Date
  2017-02-23
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] メニーコアCPUにおける割統治法ルーチンの性能評価2016
- Author(s)
  廣田悠輔，今村俊幸
- Organizer
  平成28年度自動チューニング研究会マイクロワークショップ
- Place of Presentation
  登別温泉 (登別市, 北海道)
- Year and Date
  2016-10-31
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Performance Analysis of the Householder Back-transformation with Asynchronous Collective Communication2016
- Author(s)
  Toshiyuki Imamura
- Organizer
  2015 SIAM Conference on Applied Linear Algebra
- Place of Presentation
  Hyatt Regency Atlanta, US
- Year and Date
  2016-10-26
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] いま・これからのメニーコア向け線形計算カーネル実装技術2016
- Author(s)
  椋木大地, 今村俊幸, 高橋大介
- Organizer
  平成28年度自動チューニング研究会マイクロワークショップ
- Place of Presentation
  登別温泉 (登別市, 北海道)
- Year and Date
  2016-10-31
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] 非同期的な数学的アルゴリズムのソフトウェアの可能性2016
- Author(s)
  今村俊幸
- Organizer
  第8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(ATTA2016)
- Place of Presentation
  東京大学山上会館 (文京区, 東京都)
- Year and Date
  2016-12-25
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Automatic Thread-Block Size Adjustment for Dense Matrix-Vector Multiplication on CUDA2016
- Author(s)
  Daichi Mukunoki, Toshiyuki Imamura and Daisuke Takahashi
- Organizer
  Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing
- Place of Presentation
  National Taiwan University
- Year and Date
  2016-02-19
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Present and Future of the EigenExa library2016
- Author(s)
  Toshiyuki Imamura
- Organizer
  Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing
- Place of Presentation
  National Taiwan University
- Year and Date
  2016-02-19
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] PascalアーキテクチャGPUにおける線形計算カーネルの実装技術の検討2016
- Author(s)
  椋木大地, 今村俊幸, 高橋大介
- Organizer
  GTC Japan 2016
- Place of Presentation
  ヒルトン東京お台場 (港区, 東京都)
- Year and Date
  2016-10-05
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Parallel dense eigenvalue solver and SVD solver for post-petascale computing systems2016
- Author(s)
  Toshiyuki Imamura
- Organizer
  The 9th International Workshop on Parallel Matrix Algorithms and Applications (PMAA16)
- Place of Presentation
  The campus of Bordeaux-Victoire (Vordeaux, France)
- Year and Date
  2016-07-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Auto-Tuning for Eigenvalue Solver on the Post Moore's Era2016
- Author(s)
  Toshiyuki Imamura
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing (PP16)
- Place of Presentation
  Universite Pierre et Marie Curie, Cordelies Campus (Paris, France)
- Year and Date
  2016-04-14
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] 非同期的な数学的アルゴリズムのソフトウェアの可能性2015
- Author(s)
  今村俊幸
- Organizer
  第7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(ATTA2015)
- Place of Presentation
  東京大学山上会館
- Year and Date
  2015-12-25
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] GPUにおけるスレッド数自動選択機能を持ったメモリ律速な線形計算カーネル群「MUBLAS」の実装と評価2015
- Author(s)
  椋木大地,今村俊幸,高橋大介
- Organizer
  GTC Japan 2015
- Place of Presentation
  虎ノ門ヒルズフォーラム
- Year and Date
  2015-09-18
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] O(1億)コア環境におけるスケーラブルな数値計算ソフトウェアの理論と応用2015
- Author(s)
  今村俊幸
- Organizer
  平成27年度自動チューニング研究会マイクロワークショップ
- Place of Presentation
  KKR甲府、甲府市
- Year and Date
  2015-10-19
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] 非同期アルゴリズムの類型とメニーコアプロセッサ向け同期削減技術の開発2015
- Author(s)
  廣田悠輔，今村俊幸
- Organizer
  平成27年度自動チューニング研究会マイクロワークショップ
- Place of Presentation
  KKR甲府、甲府市
- Year and Date
  2015-10-19
- Data Source
  KAKENHI-PROJECT-15H02709
[Presentation] Performance analysis of the Householder-type parallel tall-skinny QR factorizations toward automatic algorithm selection2014
- Author(s)
  T. Fukaya, T. Imamura and Y. Yamamoto
- Organizer
  The Ninth International Workshop on Automatic Performance Tuning (iWAPT2014)
- Place of Presentation
  Eugene, Oregon, USA
- Year and Date
  2014-07-01
- Data Source
  KAKENHI-PROJECT-26286087
[Presentation] ネットワーク構造を考慮したマルチバンドハバードクラスタモデルの厳密対角化の並列化2013
- Author(s)
  山田進、今村俊幸、町田昌彦
- Organizer
  今後のHPC(基盤技術と応用) に関するワークショップ
- Place of Presentation
  長崎市立図書館
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] Auto-Tuning in Memory-Bound CUDA-BLAS Kernel2013
- Author(s)
  T. Imamura
- Organizer
  Conference on Advanced Topics and Auto Tuning in High Performance Scientific Computing
- Place of Presentation
  National Taiwan University, Taipei, Taiwan
- Year and Date
  2013-03-27
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] Eigen-G: GPU-based eigenvalue solver for real-symmetric dense matrices2013
- Author(s)
  T. Imamura, S. Yamada, M. Machida
- Organizer
  10th International Conference on Parallel Processing and Applied Mathematics (PPAM2013)
- Place of Presentation
  Warsaw, Poland
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] Parallel Computing Design for Exact Diagonalization Scheme on Multi-band Hubbard Cluster Models2013
- Author(s)
  S. Yamada, T. Imamura, and, M. Machida
- Organizer
  Parco 2103
- Place of Presentation
  Technische Universitat Munchen, Germany
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] Performance Modeling of the Eigen-K Dense Eigensolver on Massively Parallel Machines2013
- Author(s)
  Takeshi Fukaya, Toshiyuki Imamura and Yusaku Yamamoto
- Organizer
  SIAM Conference on Computational Science and Engineering (CSE13)
- Place of Presentation
  米国，Boston
- Data Source
  KAKENHI-PROJECT-23240005
[Presentation] Kepler複数世代GPUに対するSYMVカーネルの性能チューニング2013
- Author(s)
  今村俊幸，内海貴弘，林熙龍，山田進，町田昌彦
- Organizer
  第138回ハイパフォーマンスコンピューティング研究発表会(HPC138)
- Place of Presentation
  芦原温泉清風荘，福井県あわら市
- Year and Date
  2013-02-21
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] 自動チューニングによる通信最適化を施した固有値ソルバの開発について2012
- Author(s)
  近藤大貴, 吉田剛啓, 田村遼也, 今村俊幸
- Organizer
  第133回ハイパフォーマンスコンピューティング研究発表会
- Place of Presentation
  有馬ビューホテルうらら
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Eigen_sg+ASPEN.K2の性能評価2012
- Author(s)
  大瀧嵩, 藤山慧太, 今村俊幸, 山田進, 町田昌彦
- Organizer
  2012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(HPCS2012)
- Place of Presentation
  名古屋大学(名古屋市)
- Year and Date
  2012-01-25
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] ASPEN-K2 : Automatic-tuning and Stabilization for the Performance of CUDA BLAS Level 2 Kernels2012
- Author(s)
  Toshiyuki Imamura
- Organizer
  15th SIAM Conference on Parallel Processing for Scientific Computing
- Place of Presentation
  米国・サヴァンナ
- Year and Date
  2012-02-15
- Data Source
  KAKENHI-PROJECT-23240005
[Presentation] 京コンピュータに向けた密行列固有値ソルバーの開発について2012
- Author(s)
  今村俊幸
- Organizer
  2012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(HPCS2012)
- Place of Presentation
  名古屋大学豊田講堂シンポシオンホール(招待講演)
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] 京コンピュータに向けた密行列固有値ソルバーの開発について2012
- Author(s)
  今村俊幸
- Organizer
  2012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(HPCS2012)
- Place of Presentation
  名古屋大学豊田講堂シンポジオンホール(招待講演)
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Dynamical Variation of Eigenvalue Problems in Density-Matrix Renormalization-Group Code2012
- Author(s)
  S.Yamada, T.Imamura, M.Machida
- Organizer
  SIAM 15th Conference on Parallel Processing for Scientific Computing (PP12)
- Place of Presentation
  Savannah, USA
- Year and Date
  2012-02-15
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Eigen_sg+ASPEN. K2の性能評価2012
- Author(s)
  大瀧嵩, 藤山慧太, 今村俊幸, 山田進, 町田昌彦
- Organizer
  2012年ハイパフォフマンスコンピューティングと計算科学シンポジウム(HPCS2012)
- Place of Presentation
  名古屋大学豊田講堂シンポジオンホール
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] ASPEN-K2 : Automatic-tuning and Stabilization for the Performance of CUDA BLAS Level 2 Kernels2012
- Author(s)
  T.Imamura
- Organizer
  SIAM 15th Conference on Parallel Processing for Scientific Computing (PP12)
- Place of Presentation
  Savannah, USA
- Year and Date
  2012-02-15
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] ASPEN-K2 : Automatic-tuning and Stabilization for the Performance of CUDA BLAS Level 2 Kernels2012
- Author(s)
  Toshiyuki Imamura
- Organizer
  SIAM 15th Conference on Parallel Processing for Scientific Computing (PP12)
- Place of Presentation
  Hyatt Regency Savannah, (Savannah, Georgia, USA)
- Year and Date
  2012-02-15
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] 京コンピュータに向けた密行列固有値ソルバーの開発について2012
- Author(s)
  今村俊幸
- Organizer
  2012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
- Place of Presentation
  名古屋大学豊田講堂シンポジオンホール(名古屋市)
- Year and Date
  2012-01-24
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] Eigen_sg+ASPEN.K2の性能評価2012
- Author(s)
  大瀧嵩, 藤山慧太, 今村俊幸, 山田進, 町田昌彦
- Organizer
  HPCS2012 2012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
- Place of Presentation
  愛知県名古屋市
- Year and Date
  2012-01-25
- Data Source
  KAKENHI-PROJECT-23240005
[Presentation] Eigen_sg+ ASPEN. K2の性能評価2012
- Author(s)
  大瀧嵩,藤山慧太,今村俊幸,山田進,町田昌彦
- Organizer
  2012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
- Place of Presentation
  名古屋大学豊田講堂シンポジオンホール(名古屋市)
- Year and Date
  2012-01-24
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] A High Performance SYMV Kernel on a Fermi-core GPU2012
- Author(s)
  T. Imamura, S. Yamada and M. Machida
- Organizer
  10th International Meeting on High-Performance Computing for Computational Science (VECPAR 2012)
- Place of Presentation
  Kobe, Japan
- Year and Date
  2012-07-17
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] 自動チューニングによる通信最適化を施した固有値ソルバの開発について2012
- Author(s)
  近藤大貴、吉田剛啓、田村遼也、今村俊幸
- Organizer
  情報処理学会研究報告HPC-133
- Data Source
  KAKENHI-PROJECT-21300007
[Presentation] IDR(s)法における収束特性を考慮した最適パラメータsの探索方法の研究2012
- Author(s)
  今村俊幸, 高橋慶太
- Organizer
  日本応用数理学会2012年研究部会連合発表会
- Place of Presentation
  福岡市西区
- Year and Date
  2012-03-08
- Data Source
  KAKENHI-PROJECT-23240005
[Presentation] Parallelization Design for Multi-core Platforms in Density Matrix Renormalization Grouptoward 2-D Quantum Strongly-correlated Systems2011
- Author(s)
  Susumu Yamada, Toshiyuki Imamura, and Masahiko Machida
- Organizer
  ACM/IEEE the International Conferencefor High Performance Computing
- Place of Presentation
  USB-memory
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] eigen_sg:マルチコア+GPGPU環境における固有値ソルバ開発2011
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  2011年ハイパフォーマンスコンピューティングと計算科学論文集HPCS2011
- Place of Presentation
  産業技術総合研究所、つくば
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Parallelization Design for Multi-core Platforms in Density Matrix Renormalization Group toward 2-D Quantum Strongly-correlated Systems2011
- Author(s)
  Susumu Yamada, Toshiyuki Imamura, Masahiko Machida
- Organizer
  SC11
- Place of Presentation
  Seattle (USA)
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] GPGPUで数値計算ソフトウェアはどこまで加速するか2011
- Author(s)
  今村俊幸
- Organizer
  大規模計算コロキウム
- Place of Presentation
  岐阜市
- Year and Date
  2011-09-08
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] Performance Evaluation for a Dense Eigenvalue Solver for the Next-generation Petascale System2011
- Author(s)
  Imamura.T., Pham, H.P., Yamada, S., Machida, M.
- Organizer
  SIAM CSE2011
- Place of Presentation
  Reno, USA
- Year and Date
  2011-03-01
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Performance Evaluation for a Dense Eigenvalue Solver for the Next-generation Petascale System2011
- Author(s)
  Imamura, T., Pham, H.P., Yamada, S., Machida, M.
- Organizer
  SIAM CSE2011
- Place of Presentation
  Reno, NV, USA
- Year and Date
  2011-03-01
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] 動的密度行列繰り込み群法に現れる線形方程式の対する反復解法の収束性2011
- Author(s)
  山田進、山本篤史、奥村雅彦、今村俊幸、町田昌彦
- Organizer
  反復法の工学への応用と基礎
- Place of Presentation
  同志社大学今出川キャンパス
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] GPGPUで数値計算ソフトウェアはどこまで加速するか2011
- Author(s)
  今村俊幸
- Organizer
  大規模計算コロキウム
- Place of Presentation
  岐阜市文化産業交流センターじゅうろくプラザ(岐阜市)
- Year and Date
  2011-09-08
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] eigen_sg :マルチコア+GPGPU環境における固有値ソルバ開発2011
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  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
- Place of Presentation
  つくば市産業技術総合研究所
- Year and Date
  2011-01-18
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] マルチコア+ GPGPU環境における固有値ソルバ開発2011
- Author(s)
  今村俊幸,山田進,町田昌彦
- Organizer
  HPCS2011(ポスター発表)
- Place of Presentation
  産業技術総合研究所(つくば市)
- Year and Date
  2011-01-18
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] eigen_sg:マルチコア+GPGPU環境における固有値ソルバ開発2011
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  2011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(HPCS2011)
- Place of Presentation
  産業技術総合研究所(つくば市)
- Year and Date
  2011-01-18
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] Parallelization Design for Multi-core Platforms in Density Matrix Renormalization Group toward 2-D Quantum Strongly-correlated Systems2011
- Author(s)
  Susumu Yamada, Toshiyuki Imamura, Masahiko Machida
- Organizer
  ACM/IEEE the International Conference for High Performance Computing, Networking, Storage and Analysis (SC11)
- Place of Presentation
  Seattle, USA
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] ポストペタスケール時代の超並列固有値ソルバー開発2011
- Author(s)
  今村俊幸、山田進、町田昌彦
- Organizer
  日本応用数理学会2011年度年会講演予稿集
- Data Source
  KAKENHI-PROJECT-21300007
[Presentation] テラからペタスケール環境での密行列麟値ソルバの性能予測2010
- Author(s)
  今村俊幸
- Organizer
  第二回特異値・固有値ワークショップ
- Place of Presentation
  筑波大学(茨城県) 招待講演
- Year and Date
  2010-11-27
- Data Source
  KAKENHI-PROJECT-21300007
[Presentation] GPUを利用した2次元FMMの高速化2010
- Author(s)
  吉田晋三, 今村俊幸
- Organizer
  日本応用数理学会 2010年研究部会連合発表会
- Place of Presentation
  筑波大学
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Development of a High Performance Eigensolver beyond Peta-scale Supercomputer Systems2010
- Author(s)
  Imamura, T., Yamada, S., Machida, M.
- Organizer
  Minisymposium organized by JAEA at SC10
- Place of Presentation
  New Orleans, USA(招待演講)
- Year and Date
  2010-11-17
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Acceleration of two dimensional FMMusing GPU2010
- Author(s)
  Yoshida, S., and Imamura, T
- Organizer
  International Workshopon Modern Science and Technology 2010(IWMST 2010)
- Place of Presentation
  Kitami, Japan
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Acceleration of two dimensional FMM using GPU2010
- Author(s)
  Yoshida, S., Imamura.T
- Organizer
  International Workshop on Modern Science and Technology 2010 (IWMST 2010)
- Place of Presentation
  Kitami, Japan
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] ペタスケール環境での高並列固有値ソルバの開発, 日本計算工学会計算工学講演会論文集2010
- Author(s)
  今村俊幸
- Organizer
  日本計算工学会
- Place of Presentation
  九州大学
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] High Performance Computing of Density Matrix Renormalization Group Method for 2-Dimensional Model : Parallelization Strategy toward Peta Computing2010
- Author(s)
  Yamada, S., Imamura, T., Okumura, M., Igarashi, R., Onishi, H., Machida, M.
- Organizer
  Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010(SNA+MC2010)
- Place of Presentation
  Tokyo, Japan
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] GPUを利用した2次元FMMの高速化2010
- Author(s)
  吉田晋三、今村俊幸
- Organizer
  日本応用数理学会研究部会連合発表会
- Place of Presentation
  筑波大学筑波キャンパス(つくば市)
- Year and Date
  2010-03-09
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] Development of a high performance eigensolver on the peta-scale next generation supercomputer system2010
- Author(s)
  Imamura, T., Yamada, S., Machida, M
- Organizer
  Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010(SNA+MC2010)
- Place of Presentation
  Tokyo, Japan
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Novel approach in a divide and conquer algorithm for eigenvalue problems of real symmetric band matrices2010
- Author(s)
  Pham, H.P., Imamura.T., Yamada, S., Machida, M.
- Organizer
  Joint International Conference on Supercomputing in Nuclear Applications and Monte Carlo 2010 (SNA+MC2010)
- Place of Presentation
  Tokyo, Japan
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] ペタスケール環境での高並列固有値ソルバの開発2010
- Author(s)
  今村俊幸
- Organizer
  日本計算工学会計算工学講演会
- Place of Presentation
  福岡市九州大学
- Year and Date
  2010-05-26
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] ペタスケール環境での高並列固有値ソルバの開発2010
- Author(s)
  今村俊幸
- Organizer
  日本計算工学会計算工学講演会論文集(Vol.15, pp.103-106)
- Place of Presentation
  九州大学
- Year and Date
  2010-05-26
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] High Performance and High Scalable Eigenvalue Solver on a Peta-scale Computing Environment2010
- Author(s)
  Imamura, T., Pham, H.P., Yamada, S., Machida, M.
- Organizer
  SIAM 14th Conference on Parallel Processing for Scientific Computing (PP10), MS42 Joint JSIAM--SIAM Minisymposium : The State-of-the-art of Auto-tuning Technologies : Adaptation to Advanced Computer Environment and Numerical Libraries-Part II of II
- Place of Presentation
  シアトル・アメリカ
- Year and Date
  2010-02-25
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] テラからペタスケール環境での密行列固有値ソルバの性能予測2010
- Author(s)
  今村俊幸
- Organizer
  第二回特異値・固有値ワークショップ
- Place of Presentation
  筑波大学【招待講演】
- Year and Date
  2010-11-27
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] ペタスケール環境での高並列固有値ソルバの開発2010
- Author(s)
  今村俊幸
- Organizer
  計算工学会講演論文集
- Data Source
  KAKENHI-PROJECT-21300017
[Presentation] テラからペタスケール環境での密行列固有値ソルバの性能予測2010
- Author(s)
  今村俊幸
- Organizer
  第二回特異値・固有値ワークショップ
- Place of Presentation
  つくば市つくば国際会議場
- Year and Date
  2010-11-27
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] GPGPUを用いた固有値計算の可能性2010
- Author(s)
  今村俊幸
- Organizer
  日本応用数理学会2010年度年会
- Place of Presentation
  明治大学(東京都千代田区)
- Year and Date
  2010-09-09
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] Narrow-band reduction approach of a DRSM eigensolver on amutlticore-based cluster system2009
- Author(s)
  Toshiyuki Imamura, Susumu Yamada, Masahiko Machida
- Organizer
  International Conference on Parallel Computing
- Place of Presentation
  Lyon, France
- Year and Date
  2009-09-03
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] Narrow-band reduction approach of a DRSM eigensolver on a mutlticore-based cluster system2009
- Author(s)
  Toshiyuki Imamura, Susumu Yamada, Masahiko Machida
- Organizer
  International Conference on Parallel Computing ParCo 2009
- Place of Presentation
  Ecole Normale Superieure de Lyon(Lyon, France)
- Year and Date
  2009-09-03
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] An approach of full diagonalization via reduction of a band matrix ; Performance and scalability on a multicore and multiprocessor environment2009
- Author(s)
  T.Imamura
- Organizer
  SIAM CSE09
- Place of Presentation
  Florida, USA
- Year and Date
  2009-03-05
- Data Source
  KAKENHI-PROJECT-18540114
[Presentation] 10万超コアを駆使する固有値ソルバについての検討2009
- Author(s)
  今村俊幸
- Organizer
  2009年並列/分散/協調処理に関する『仙台』サマー・ワークショップ (SWOPP2009)
- Place of Presentation
  仙台
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] ペタスケール環境における固有値ソルバについて2009
- Author(s)
  今村俊幸,山田進,町田昌彦
- Organizer
  日本応用数理学会2009年度年会講演予稿集(pp.1-2)
- Place of Presentation
  大阪大学(豊中市)
- Year and Date
  2009-09-28
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] Narrow-band reduction approach of a DRSM eigensolver on a multicore-based custer system2009
- Author(s)
  Imamura, T., Yamada, S., Machida, M.
- Organizer
  International Parallel Computing conference 2009
- Place of Presentation
  リヨン・フランス
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] Cell/B. E.による倍精度粒子法の高速化2009
- Author(s)
  今村俊幸,木村光宏
- Organizer
  FAISマルチコアワークショップ2009
- Year and Date
  2009-10-29
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] マルチコアクラスタ向け通信手法を用いた密度行列繰り込み群法の並列化2009
- Author(s)
  山田進,今村俊幸、奥村雅彦、町田昌彦
- Organizer
  2009年並列/分散/協調処理に関する『仙台』サマー・ワークショップ(SWoPP仙台2009)
- Place of Presentation
  フォレスト仙台(仙台市)
- Year and Date
  2009-08-06
- Data Source
  KAKENHI-PROJECT-20500044
[Presentation] An Approach of Full Diagonalization via Reduction of a Band Matrix; Performance and Scalability on a Multicore and Multiprocessor Environment2009
- Author(s)
  Toshiyuki Imamura
- Organizer
  SIAM CSE09, Mini Symposium, Current Auto-tuning Chall enges: Multicore Architecture and CrucialAlgorithms
- Place of Presentation
  U.S.A
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] 大規模並列固有値計算の現状 (ペタスケール計算機環境への展望)2009
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  日本学術会議「機械工学委員会, 土木工学・建築学委員会合同IUTAM分科会」
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] ペタスケール環境における固有値ソルバについて2009
- Author(s)
  今村俊幸
- Organizer
  日本応用数理学会2009年度年会
- Place of Presentation
  大阪大学豊中キャンパス
- Data Source
  KAKENHI-PROJECT-21300013
[Presentation] マルチコア環境における固有値ソルバ2009
- Author(s)
  今村俊幸
- Organizer
  日本計算工学会講演会
- Place of Presentation
  東京大学生産技術研究所(東京都)
- Year and Date
  2009-05-12
- Data Source
  KAKENHI-PROJECT-21540116
[Presentation] マルチコア時代の固有値計算アルゴリズムを考える2008
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  日本応用数理学会年会OS「科学技術計算と数値解析」日本応用数理学会年会OS「科学技術計算と数値解析」
- Place of Presentation
  東京大学, 柏
- Year and Date
  2008-09-19
- Data Source
  KAKENHI-PROJECT-18540114
[Presentation] LOBPCGにおける段階的収束とwindowの効果について2008
- Author(s)
  今村俊幸
- Organizer
  情報処理学会第116回ハイパフォーマンスコンピューティング研究会(研究報告, Vol.2008, No.74 (2008-HPC-116))
- Place of Presentation
  アバンセ(佐賀)(121〜126)
- Year and Date
  2008-08-06
- Data Source
  KAKENHI-PROJECT-19024018
[Presentation] マルチコア時代の固有値計算アルゴリズムを考える2008
- Author(s)
  今村俊幸
- Organizer
  日本応用数理学会2008年度年会講演予稿集
- Place of Presentation
  柏
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] マルチコア時代の固有値計算アルゴリズムを考える2008
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  日本応用数理学会2008年度年会(講演予稿集)
- Place of Presentation
  東京大学柏キャンパス(389-390)
- Year and Date
  2008-09-19
- Data Source
  KAKENHI-PROJECT-19024018
[Presentation] 超並列固有値計算手法の開発:大規模量子計算への応用2008
- Author(s)
  山田進,今村俊幸,奥村雅彦,町田昌彦
- Organizer
  先駆的科学計算に関するフォーラム2008～線形計算を中心に～
- Place of Presentation
  福岡市
- Data Source
  KAKENHI-PROJECT-20500044
[Presentation] マルチコア時代の固有値計算アルゴリズムを考える2008
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  日本応用数理学会年会OS「科学技術計算と数値解析」
- Place of Presentation
  東京大学, 柏
- Year and Date
  2008-09-19
- Data Source
  KAKENHI-PROJECT-18540114
[Presentation] Cell BEによる粒子法の並列化2008
- Author(s)
  赤木正慶、今村俊幸
- Organizer
  第14回「ハイパフォーマンスコンピューティングとアーキテクチャの評価」に関する北海道ワークショップ(HOKKE-2008)
- Place of Presentation
  北海道大学学術交流会館第一会議室及び小講堂
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-18500018
[Presentation] Automatic tuning for the LOBPCG eigenvalue solver2008
- Author(s)
  T. Imamura
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing (PP08)
- Place of Presentation
  アトランタ
- Year and Date
  2008-03-21
- Data Source
  KAKENHI-PROJECT-19024018
[Presentation] LOBPCGにおける段階的収束とwindowの効果について2008
- Author(s)
  今村俊幸
- Organizer
  情報処理学会研究報告2008-HPC-116
- Place of Presentation
  佐賀
- Data Source
  KAKENHI-PROJECT-20300007
[Presentation] High-Performance Quantum Simulation: A Challenge to Schrodinger Equation on 256^4 Grids2007
- Author(s)
  T. Imamura
- Organizer
  International workshop on Applied Mathematics and Computational Sciences (IWAMCS2007)
- Place of Presentation
  Chofu, Japan
- Year and Date
  2007-09-25
- Data Source
  KAKENHI-PROJECT-18540114
[Presentation] High-Performance Quantum Simulation : A Challenge to Schoedinger Equation on 256^4 Grids2007
- Author(s)
  T. Imamura
- Organizer
  International workshop on Applied Mathematics and Computational Sciences
- Place of Presentation
  Chofu, Japan
- Year and Date
  2007-09-25
- Data Source
  KAKENHI-PROJECT-18540114
[Presentation] 疎行列固有値ソルバの自動チューニングLOBPCGの量子多体問題への応用を中心に2007
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  情報処理学会第111回HPC研究会
- Place of Presentation
  旭川クリスタルホール
- Year and Date
  2007-08-03
- Data Source
  KAKENHI-PROJECT-19024018
[Presentation] 疎行列固有値ソルバーの自動チューニング LOBPCGの量子多体問題への応用を中心に2007
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  情報処理学会第111回HPC研究会
- Place of Presentation
  旭川市旭川国際会議場
- Year and Date
  2007-08-02
- Data Source
  KAKENHI-PROJECT-18540114
[Presentation] Performance/Scalability Tuning of LOBPCG, Sequential, Simultaneous or Hybrid?2007
- Author(s)
  T. Imamura
- Organizer
  The Second international Workshop on Automatic Performance Tuning (iWAPT2007)
- Place of Presentation
  東京大学
- Year and Date
  2007-09-20
- Data Source
  KAKENHI-PROJECT-19024018
[Presentation] High-Performance Quantum Simulation: A Challenge to Schroedinger Equation on $256^4$ Grids2007
- Author(s)
  T. Imamura, S. Yamada, T. Kano, M. Machida
- Organizer
  International Conference of Computer Science and Engineering 2007
- Place of Presentation
  ロンドン
- Year and Date
  2007-06-03
- Data Source
  KAKENHI-PROJECT-19024018
[Presentation] 疎行列固有値ソルバーの自動チューニングLOBPCGの量子多体問題への応用を中心に2007
- Author(s)
  今村俊幸, 山田進, 町田昌彦
- Organizer
  情報処理学会第111回HPC研究会
- Place of Presentation
  旭川市旭川国際会議場
- Year and Date
  2007-08-02
- Data Source
  KAKENHI-PROJECT-18540114
[Presentation] 4倍精度基本線形代数ルーチン群QPBLASの紹介とアプリケーションへの応用
- Author(s)
  山田進、佐々成正、今村俊幸、町田昌彦
- Organizer
  第194回計算機アーキテクチャ・第137回ハイパフォーマンスコンピューティング合同研究発表会（HOKKE-20）
- Place of Presentation
  北海道大学学術交流会館
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] CUDABLAS等の選択による最速GPU固有値ソルバーの性能評価
- Author(s)
  今村俊幸，椋木大地，山田進，町田昌彦
- Organizer
  情報処理学会第148回ハイパフォーマンスコンピューティング研究発表会
- Place of Presentation
  花菱ホテル，大分県別府市
- Year and Date
  2015-03-02 – 2015-03-03
- Data Source
  KAKENHI-PLANNED-22104003
[Presentation] Parallel Computing Design for Exact Diagonalization Scheme on Multi-band Hubbard Cluster Models
- Author(s)
  S. Yamada, T. Imamura, and, M. Machida
- Organizer
  Parco2013
- Place of Presentation
  Technische Universität München, Germany
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] 4倍精度基本線形代数ルーチン群QPBLASの紹介とアプリケーションへの応用
- Author(s)
  山田進, 佐々成正, 今村俊幸, 町田昌彦
- Organizer
  第194回計算機アーキテクチャ・第137回ハイパフォーマンスコンピューティング合同研究発表会(HOKKE-20)
- Place of Presentation
  北海道大学学術交流会館(札幌市)
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] Dynamical Variation of Eigenvalue Problems in Density-Matrix Renormalization-Group Code
- Author(s)
  S. Yamada, T Imamura, M. Machida
- Organizer
  15th SIAM Conference on Parallel Processing for Scientific Computing
- Place of Presentation
  Savannah (USA)
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] Performance analysis of the Householder-type parallel tall-skinny QR factorizations toward automatic algorithm selection
- Author(s)
  T. Fukaya, T. Imamura and Y. Yamamoto
- Organizer
  VECPAR 2014
- Place of Presentation
  ユージーン（米国）
- Year and Date
  2014-06-30 – 2014-07-03
- Data Source
  KAKENHI-PROJECT-23240005
[Presentation] Parallelization design on multi-core platforms in density matrix renormalization group toward 2-D quantum strongly-correlated systems
- Author(s)
  S. Yamada, T Imamura, M. Machida
- Organizer
  SC11
- Place of Presentation
  Seattle (USA)
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] 多軌道強相関クラスタハバードモデルに対する厳密対角化法の並列化
- Author(s)
  山田進、小林恵太，奥村雅彦，今村俊幸，町田昌彦
- Organizer
  物理学会年会
- Place of Presentation
  横浜国立大学
- Data Source
  KAKENHI-PROJECT-23500056
[Presentation] CUDA-xSYMVの実装と評価
- Author(s)
  今村俊幸，椋木大地，山田進，町田昌彦
- Organizer
  情報処理学会第146回ハイパフォーマンスコンピューティング研究発表会
- Place of Presentation
  沖縄産業支援センター，沖縄県那覇市
- Year and Date
  2014-10-02 – 2014-10-03
- Data Source
  KAKENHI-PLANNED-22104003

1. KATAGIRI Takahiro (40345434)

# of Collaborated Projects: 7 results

# of Collaborated Products: 1 results
2. SUDA Reiji (40251392)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
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# of Collaborated Projects: 5 results

# of Collaborated Products: 3 results
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# of Collaborated Projects: 3 results

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# of Collaborated Projects: 3 results

# of Collaborated Products: 19 results
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# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. MACHIDA Masahiko (60360434)

# of Collaborated Projects: 3 results

# of Collaborated Products: 19 results
8. OHASHI Yoji (60272134)

# of Collaborated Projects: 3 results

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9. MATSUMOTO Hideki (40209648)

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# of Collaborated Projects: 3 results

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14. NAONO Ken (20421935)

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15. SATO Hiroyuki (20225999)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
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17. TAKAHASHI Daisuke (00292714)

# of Collaborated Projects: 2 results

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18. 廣田悠輔 (60709765)

# of Collaborated Projects: 2 results

# of Collaborated Products: 17 results
19. 椋木大地 (90742289)

# of Collaborated Projects: 2 results

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20. OGATA Hidenori (50242037)

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26. ONO Kenji (90334333)

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27. OKAMOTO Yoshifumi (40415112)

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28. ITO Rika (70442928)

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31. SATO Mitsuhisa (60333481)

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32. BOKU Taisuke (90209346)

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33. SAKURAI Tetsuya (60187086)

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34. YOSHIZOE Kazuki (80449115)

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35. FUJII Akihiro (10383986)

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36. OHSHIMA Satoshi (40570081)

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37. SATO Masahiko (80455211)

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38. TANAKA Teruo (90622837)

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39. SAKURAI Takao (90634296)

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40. YAMAMOTO Nobito (30210545)

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41. Todo Shinji (10291337)

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42. INADOMI YUICHI (70437747)

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43. 竹村彰通 (10171670)

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44. 室田一雄 (50134466)

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45. 鴨志田良和 (10509805)

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46. 大井祥栄 (10721045)

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47. 深谷猛 (30633846)

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48. 横川三津夫 (70358307)

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49. 星健夫 (80272384)

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50. 工藤周平 (50824421)

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52. 鈴木厚 (60284155)

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53. 伊奈拓也 (70943596)

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54. 井戸村泰宏 (00354580)

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55. 尾崎克久 (90434282)

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56. 荻田武史 (00339615)

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57. YASUGI Masahiro

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58. OSAWA Noritaka

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59. Vajtersic Marian

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Imamura Toshiyuki 今村 俊幸

IMAMURA Toshiyuki 今村 俊幸

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任意混合精度演算を基盤とする次世代浮動小数点数環境の構築Principal Investigator

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Research on high-performance and high-dimensional numerical linear algebra applying an asynchronous task mechanism on the exascale computing eraPrincipal Investigator

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

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Adaptive Auto-tuning Technology Aiming Complex Multicore and Multiprocessor EnvironmentsPrincipal Investigator

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Imamura Toshiyuki 今村俊幸

IMAMURA Toshiyuki 今村俊幸