OHSHIMA Satoshi 大島聡史

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Ohshima Satoshi 大島聡史

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Researcher Number	40570081
Other IDs
Affiliation (Current)	2025: 九州大学, 情報基盤研究開発センター, 准教授
Affiliation (based on the past Project Information) *help	2022 – 2024: 九州大学, 情報基盤研究開発センター, 准教授 2019 – 2023: 名古屋大学, 情報基盤センター, 准教授 2017 – 2019: 九州大学, 情報基盤研究開発センター, 助教 2012 – 2014: 東京大学, 情報基盤センター, 助教
Review Section/Research Field	Principal Investigator Medium-sized Section 60:Information science, computer engineering, and related fields / Software Except Principal Investigator Basic Section 60090:High performance computing-related / Medium-sized Section 60:Information science, computer engineering, and related fields / High performance computing / Sections That Are Subject to Joint Review: Basic Section60040:Computer system-related , Basic Section60090:High performance computing-related / Basic Section 60040:Computer system-related / Software
Keywords	Principal Investigator 電波伝搬計算 / レイトレーシング / 計算科学 / 高性能計算 / GPUコンピューティング / 自動チューニング / GPGPU Except Principal Investigator 並列計算 / 行列近似 / H行列 … More / 高性能計算 / 混合精度演算 / 数値線形代数 / テンソルコア / 階層的低ランク近似法 / GPU / アルゴリズム / H行列法 / 低ランク / 近似計算 / 疎行列反復解法 / OpenATLib / Xabclib / 実行時最適化 / 自動チューニング / 低ランク近似 / 線形代数ライブラリ / 分散深層学習 / ２次最適化 / クロネッカー因子分解 / 継続学習 / 2次最適化 / LU分解 / 階層的低ランク近似 / 密行列の高速解法 / 行列分解 / 深層学習 / 機械学習向けハードウェア / Tensor Core / FPGA / 低精度演算 / TensorCore / 機械学習向けプロセッサ / 数値計算ライブラリ / FIBER方式 / GpGPU / 前処理方式選択 / ディープラーニング / 計算物理 / ソフトウェア開発効率化・安定化 / 数理工学 / ハイパフォーマンス・コンピューティング / 自己駆動粒子系 / 時間マルチグリッド / パイプライン法 / 時空間対称スキーム / 反復処理 / 逐次問題 / フレームワーク / 多重並列性 / フェーズフィールド法 / 時間方向の並列化 / 楕円型方程式 / 双曲型方程式 / フェーズフィールドシミュレーション / パイプライン処理 / 放物型偏微分方程式 / 時間並列処理 / 放物型方程式 / Parareal法 / 時間並列計算 / 低ランク行列近似 / ＧＰＵ / Ｈ行列法 / メニーコア / 低ランク行列 / ハイパフォーマンスコンピューティング / ライブラリ / 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 Less

低ランク構造行列法の適用範囲拡大と多様な計算アーキテクチャの活用
- Principal Investigator
  
  伊田明弘
- Project Period (FY)
  2024 – 2026
- 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
  Japan Agency for Marine-Earth Science and Technology
Construction of numerical linear algebra based on lattice H-matrices and its high-performance implementation on modern architectures
- Principal Investigator
  
  Ida Akihiro
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Creation of high-performance computational science using graphics hardware having hardware ray-tracing acceleration unitPrincipal Investigator
- Principal Investigator
  
  Ohshima Satoshi
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Kyushu University
  Nagoya University
Application of Unconventional Linear Algebra Techniques to Continuous Learning in Supergiant Neural Networks
- Principal Investigator
  
  Yokota Rio
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Challenging Research (Pioneering)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Tokyo Institute of Technology
Development of Innovative Auto-tuning Middleware With Deep Learning
- Principal Investigator
  
  Katagiri Takahiro
- Project Period (FY)
  2018 – 2019
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  Nagoya University
Linear Solvers for Machine Learning Hardware
- Principal Investigator
  
  Yokota Rio
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60090:High performance computing-related
- Research Institution
  Tokyo Institute of Technology
Enhancement of H-matrix library and optimization for next generation supercomputers
- Principal Investigator
  
  Ida Akihiro
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  High performance computing
- Research Institution
  The University of Tokyo
Mathematical research for parallel computing of sequential problems and its development of framework
- Principal Investigator
  
  ONO KENJI
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  High performance computing
- Research Institution
  Kyushu University
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
Development of Auto-Tuning framework using pragmas for optimization of GPU programPrincipal Investigator
- Principal Investigator
  
  OHSHIMA Satoshi
- Project Period (FY)
  2012 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Software
- Research Institution
  The University of Tokyo

All 2024 2023 2022 2020 2019 2018 2017 2015 2014 2013 2012 Other

All Journal Article Presentation

[Journal Article] CUDA Fortran＋MIG＋UVMを用いたBLR行列QR分解の大規模高速化2023
- Author(s)
  大島聡史, 伊田明弘, 河合直聡, 横田理央, Ichitaro Yamazaki
- Journal Title
  
  情報処理学会研究報告
  
  Volume: 2023-HPC-190 Pages: 1-8
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03447
[Journal Article] Implementation of Radio Wave Propagation using RT Cores and Consideration of Programming Models2023
- Author(s)
  Hashinoki Shinya、Ohshima Satoshi、Katagiri Takahiro、Nagai Toru、Hoshino Tetsuya
- Journal Title
  
  2023 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
  
  Volume: 2023 Pages: 673-681
- DOI
  10.1109/ipdpsw59300.2023.00115
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K19763
[Journal Article] QR Factorization of?Block Low-Rank Matrices on Multi-instance GPU2023
- Author(s)
  Ohshima Satoshi、Ida Akihiro、Yokota Rio、Yamazaki Ichitaro
- Journal Title
  
  In Proceedings of the 23rd International Conference on Parallel and Distributed Computing, Applications and Technologies
  
  Volume: 1 Pages: 359-369
- DOI
  10.1007/978-3-031-29927-8_28
- ISBN
  9783031299261, 9783031299278
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H03447
[Journal Article] Implementation of Radio Wave Propagation using RT Cores and Consideration of Programming Models2023
- Author(s)
  Shinya Hashinoki, Satoshi Ohshima, Takahiro Katagiri, Toru Nagai and Tetsuya Hoshino
- Journal Title
  
  Proceedings of IPDPSW2023
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K19763
[Journal Article] RTコアによる電波の伝搬損失計算の実装とプログラミングモデルの検討2022
- Author(s)
  枦木慎也, 大島聡史, 片桐孝洋, 永井亨
- 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: 2022-HPC-185 Pages: 1-12
- Data Source
  KAKENHI-PROJECT-21K19763
[Journal Article] Performance evaluation of the MODYLAS application on modern multi-core and many-core environments2019
- Author(s)
  Satoshi Ohshima, Soichiro Suzuki, Tatsuya Sakashita, Masao Ogino, Takahiro Katagiri, Yoshimichi Andoh
- Journal Title
  
  Proc. of IEEE IPDPSW2019
  
  Volume: - Pages: 1-10
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K19782
[Journal Article] Optimization of Numerous Small Dense-Matrix-Vector Multiplications in H-matrix Arithmetic on GPU2019
- Author(s)
  Satoshi Ohshima, Ichitaro Yamazaki, Akihiro Ida, Rio Yokota
- Journal Title
  
  Auto-Tuning for Multicore and GPU (ATMG) In conjunction with the IEEE MCSoC-19
  
  Volume: なし Pages: 9-16
- DOI
  10.1109/mcsoc.2019.00009
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H01749, KAKENHI-PROJECT-18K19782
[Journal Article] Performance evaluation of the MODYLAS application on modern multi-core and many-core environments2019
- Author(s)
  Satoshi Ohshima, Soichiro Suzuki, Tatsuya Sakashita, Masao Ogino, Takahiro Katagiri, Yoshimichi Andoh
- Journal Title
  
  2019 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)
  
  Volume: - Pages: 787-796
- DOI
  10.1109/ipdpsw.2019.00129
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K19782
[Journal Article] 512bit SIMD環境における分子動力学アプリケーションMODYLASの性能評価2018
- Author(s)
  大島聡史, 鈴木惣一朗, 坂下逹哉, 荻野正雄, 片桐孝洋, 安藤嘉倫
- 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-166 Pages: 1-9
- Data Source
  KAKENHI-PROJECT-18K19782
[Journal Article] Performance of Hierarchical-matrix BiCGStab Solver on GPU Clusters2018
- Author(s)
  Yamazaki Ichitaro、Abdelfattah Ahmad、Ida Akihiro、Ohshima Satoshi、Tomov Stanimire、Yokota Rio、Dongarra Jack
- Journal Title
  
  32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS 2018)
  
  Volume: － Pages: 930-939
- DOI
  10.1109/ipdps.2018.00102
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01749
[Journal Article] Optimization of Hierarchical Matrix Computation on GPU2018
- Author(s)
  Ohshima Satoshi、Yamazaki Ichitaro、Ida Akihiro、Yokota Rio
- Journal Title
  
  Asian Conference on Supercomputing Frontiers
  
  Volume: なし Pages: 274-292
- DOI
  10.1007/978-3-319-69953-0_16
- ISBN
  9783319699523, 9783319699530
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01749
[Journal Article] Analyzing Performance of BiCGStab with Hierarchical Matrix on GPU clusters2018
- Author(s)
  Ichitaro Yamazaki, Ahmad Abdelfattah, Akihiro Ida, Satoshi Ohshima, Stanimire Tomov, Rio Yokota, Jack Dongarra
- Journal Title
  
  32nd IEEE International Parallel & Distributed Processing Symposium (IPDPS 2018)
  
  Volume: 印刷中
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01749
[Journal Article] 1ノード200超スレッド時代の自動チューニング手法～FDMコード最適化を中心に～2015
- Author(s)
  片桐孝洋、大島聡史、松本正晴
- Journal Title
  
  計算工学
  
  Volume: 20
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] 動的な並列実行機構を用いたSpMV実装の性能評価2015
- Author(s)
  大島聡史, 片桐孝洋, 櫻井隆雄, 中島研吾, 黒田久泰, 直野健, 猪貝光祥
- Journal Title
  
  情報処理学会研究報告
  
  Volume: 2015-HPC-148 Pages: 1-12
- NAID
  110009877712
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] 様々な計算機環境におけるOpenMP/OpenACCを用いたICCG法の性能評価2014
- Author(s)
  大島聡史, 松本正晴, 片桐孝洋, 塙敏博, 中島研吾
- Journal Title
  
  情報処理学会研究報告
  
  Volume: 2014-HPC-145 Pages: 1-10
- NAID
  110009808116
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] Performance optimization of SpMV using CRS format by considering OpenMP scheduling on CPUs and MIC2014
- Author(s)
  Satoshi Ohshima, Takahiro Katagiri, Masaharu Matsumoto
- Journal Title
  
  Proc. of ＩＥＥＥ　MCSoC2014
  
  Volume: - Pages: 253-260
- DOI
  10.1109/mcsoc.2014.43
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] A Sparse Matrix Library with Automatic Selection of Iterative Solvers and Preconditioners2013
- Author(s)
  T. Sakurai, T. Katagiri, H. Kuroda, K. Naono, M. Igai, S. Ohshima
- Journal Title
  
  "A Sparse Matrix Library with Automatic Selection of Iterative Solvers and Preconditioners
  
  Volume: 18 Pages: 1332-1341
- DOI
  10.1016/j.procs.2013.05.300
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] 収束障害(Fault Convergence):数値計算ソフトウェアにおける新しい安全性の概念2012
- Author(s)
  片桐孝洋、櫻井隆雄、伊藤祥司、猪貝光祥、大島聡史、黒田久泰、直野健、中島研吾
- Journal Title
  
  情報処理学会研究報告
  
  Volume: 2012-HPC-1 Pages: 1-8
- NAID
  110009453403
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] Control Formats for Unsymmetric and Symmetric Sparse Matrix-vector Multiplications2012
- Author(s)
  Takahiro Katagiri, Takao Sakurai, Mitsuyoshi Igai, Satoshi Ohshima, Hisayasu Kuroda, Ken Naono and Kengo Nakajima
- Journal Title
  
  Proceedings of Proceedings of VECPAR'2012
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24300004
[Journal Article] A Fully Run-time Auto-tuned Sparse Iterative Solver with OpenATLib2012
- Author(s)
  Ken Naono, Takahiro Katagiri, Takao Sakurai, Mitsuyoshi Igai, Satoshi Ohshima, Hisayasu Kuroda, Shoji Itoh and Kengo Nakajima
- Journal Title
  
  Proceedings of ICIAS2012
  
  Volume: 1 Pages: 143-148
- DOI
  10.1109/icias.2012.6306176
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Considering multi process calculations on current GPU2024
- Author(s)
  Satoshi Ohshima
- Organizer
  ATAT in HPSC 2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03447
[Presentation] 一万計算コア超時代のGPUに向けたプログラム最適化と自動チューニングを考える2023
- Author(s)
  大島聡史、伊田明弘、横田理央、Yamazaki Ichitaro
- Organizer
  第15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（ATTA2023）
- Data Source
  KAKENHI-PROJECT-21H03447
[Presentation] QR Factorization of Block Low-rank Matrices on Multiple-/Multi-Instance GPUs2023
- Author(s)
  Satoshi Ohshima
- Organizer
  2024 Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03447
[Presentation] Implementation of Radio wave propagation loss calculation using RT core2022
- Author(s)
  Shinya Hashinoki, Satoshi Ohshima, Takahiro Katagiri, Toru Nagai
- Organizer
  HPC Asia 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K19763
[Presentation] QR Factorization of Block Low-Rank Matrices on Multi-Instance GPU2022
- Author(s)
  Satoshi Ohshima, Akihiro Ida, Rio Yokota and Ichitaro Yamazaki
- Organizer
  The 23rd International Conference on Parallel and Distributed Computing, Applications and Technologies (PDCAT’22)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K20624
[Presentation] QR Factorization of Block Low-rank Matrices on Multi-Instance GPU2022
- Author(s)
  Satoshi Ohshima
- Organizer
  Conference on Advanced Topics and Auto Tuning in High Performance Scientific Computing
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H03447
[Presentation] BLR-QR on GPU：マルチインスタンスGPUを用いた多数の小密行列計算の高速化2022
- Author(s)
  大島聡史，伊田明弘，横田理央，Yamazaki Ichitaro
- Organizer
  第14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（ATTA2022）
- Data Source
  KAKENHI-PROJECT-21H03447
[Presentation] Windows MR＋Unityの環境におけるプラズマ乱流シミュレーションの可視化2020
- Author(s)
  北澤修太, 沼波政倫, 大谷寛明, 片桐孝洋, 大島聡史, 永井亨
- Organizer
  先進的可視化環境を用いた可視化情報の研究会(VR2019)
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] Numerical Linear Algebra Based on Lattice H-Matrices2020
- Author(s)
  Akihiro Ida, Ichitaro Yamazaki, Rio Yokota, Satoshi Ohshima, Tasuku Hiraishi, Takeshi Iwashita, Tetsuya Hoshino, and Toshihiro Hanawa
- Organizer
  International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03248
[Presentation] Numerical Linear Algebra Based on Lattice H-Matrices2020
- Author(s)
  Akihiro Ida, Ichitaro Yamazaki, Rio Yokota, Satoshi Ohshima, Tasuku Hiraishi, Takeshi Iwashita, Tetsuya Hoshino, Toshihiro Hanawa
- Organizer
  International Conference on High Performance Computing in Asia-Pacific Redion (HPC Asia 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] 外乱のある環境での分散深層学習の性能評価2020
- Author(s)
  山梨祥平，大島聡史，永井亨，片桐孝洋
- Organizer
  情報処理学会第８２回全国大会
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] Autotuning by Changing Directives and Number of Threads in OpenMP using ppOpen-AT2020
- Author(s)
  Toma Sakurai, Takahiro Katagiri, Satoshi Ohshima, Toru Nagai
- Organizer
  International Conference on High Performance Computing in Asia-Pacific Region (HPCAsia2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] OpenACCを用いたGKVベンチマークの並列化2020
- Author(s)
  森下誠，大島聡史，片桐孝洋，永井亨
- Organizer
  情報処理学会第８２回全国大会
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] 医用画像処理におけるLDDMMのGPU高速化2020
- Author(s)
  杉浦拓未，大島聡史，中島大地，片桐孝洋，横田達也，本谷秀堅，永井亨
- Organizer
  情報処理学会第８２回全国大会
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] GPUによる階層型行列計算法の高速化に向けた多数の小密行列ベクトル積計算の最適化2019
- Author(s)
  大島聡史, Ichitaro Yamazaki, 伊田明弘, 横田理央
- Organizer
  日本応用数理学会2019年度年会
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] Trying to accelerate many small BLAS calculations on GPU2019
- Author(s)
  Satoshi Ohshima
- Organizer
  ATAT in HPSC (2019 Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] Optimization of Numerous Small Dense-Matrix Vector Multiplications in H-matrix Arithmetic on GPU2019
- Author(s)
  Satoshi Ohshima, Ichitaro Yamazaki, Akihiro Ida, Rio Yokota
- Organizer
  Auto-Tuning for Multicore and GPU (ATMG) In conjunction with the IEEE MCSoC-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03248
[Presentation] Performance Evaluation of Accurate Matrix-matrix Multiplications on GPU Using Sparse Matrix Multiplications2019
- Author(s)
  Fumiya Ishiguro, Takahiro Katagiri, Satoshi Ohshima, Toru Nagai
- Organizer
  International Conference on High Performance Computing in Asia-Pacific Region (HPCAsia2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] マルチコア・メニーコア計算機環境における Chebyshev基底通信削減CG法の性能評価2018
- Author(s)
  大島聡史, 藤井昭宏, 田中輝雄, 深谷猛, 須田礼仁
- Organizer
  日本応用数理学会2018年年会
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] Accelerating Hierarchical-Matrix Based Linear Solver on a GPU Cluster2018
- Author(s)
  Ichitaro Yamazaki, Satoshi Ohshima, Akihiro Ida, Rio Yokota, Jack Dongarra
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing 2018(SIAM PP 18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] Analyzing Performance of BiCGStab with Hierarchical Matrix on GPU clusters2018
- Author(s)
  Ichitaro Yamazaki, Ahmad Abdelfattah, Akihiro Ida, Satoshi Ohshima, Stanimire Tomov, Rio Yokota, Jack Dongarra
- Organizer
  32nd IEEE International Parallel & Distributed Processing Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03248
[Presentation] 階層型行列計算におけるソフトウェア自動チューニング2018
- Author(s)
  大島聡史、山崎市太郎、伊田明弘、横田理央
- Organizer
  第23回計算工学会
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] Optimization of hierarchical matrix computation on GPU --- accelerating many small matrix calculation2018
- Author(s)
  Satoshi Ohshima, Ichitaro Yamazaki, Akihiro Ida, Rio Yokota
- Organizer
  Sapporo Summer HPC Seminar 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K19782
[Presentation] More Efficient Structures of H-matrices2018
- Author(s)
  Akihiro Ida, Ichitaro Yamazaki, Rio Yokota, Satoshi Ohshima, Tetsuya Hoshino, Tasuku Hiraishi and Takeshi Iwashita
- Organizer
  The HPC symposium Computational Science at Scale (CoSaS18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] Optimization of Hierarchical Matrix Computation on GPU2018
- Author(s)
  Satoshi Ohshima, Ichitaro Yamazaki, Akihiro Ida, Rio Yokota
- Organizer
  SC Asia
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03248
[Presentation] Optimization of hierarchical matrix computation on GPU - accelerating many small matrix calculation2018
- Author(s)
  Satoshi Ohshima, Ichitaro Yamazaki, Akihiro Ida, Rio Yokota
- Organizer
  Sapporo Summer HPC Seminar 2018
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] 階層型行列計算のGPU向け最適化2017
- Author(s)
  大島聡史, 山崎市太郎, 伊田明弘, 横田理央
- Organizer
  日本応用数理学会 2017年度年会
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] Performance Evaluation of Hierarchical Matrix Computation on Various Modern Architectures2017
- Author(s)
  Satoshi Ohshima, Ichitaro Yamazaki, Akihiro Ida, Rio Yokota
- Organizer
  SIAM Conference on Parallel Processing for Scientific Computing 2018(SIAM PP 18)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] GPUクラスタ上における階層型行列計算の最適化2017
- Author(s)
  大島聡史, 山崎市太郎, 伊田明弘, 横田理央
- Organizer
  SWoPP秋田2017
- Data Source
  KAKENHI-PROJECT-17H01749
[Presentation] Optimization of Preconditioned Iterative Linear Solvers Using OpenMP/OpenACC on GPU and MIC2015
- Author(s)
  Satoshi Ohshima, Masaharu Matsumoto, Takahiro Katagiri, Toshihiro Hanawa, Kengo Nakajima
- Organizer
  2015 SIAM Conference on Computational Science and Engineering
- Place of Presentation
  ユタ州ソルトレーク市、米国
- Year and Date
  2015-03-14
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Towards Auto-tuning for the Finite Difference Method in Era of 200+ Thread Parallelisms2015
- Author(s)
  Takahiro Katagiri, Satoshi Ohshima and Masaharu Matsumoto
- Organizer
  Annual Meeting on Advanced Computing System and Infrastructure (ACSI) 2015
- Place of Presentation
  筑波国際会議場（茨城県つくば市）
- Year and Date
  2015-01-28
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Performance evaluation of Preconditioned Iterative Linear Solver Using OpenMP and OpenACC2015
- Author(s)
  Satoshi Ohshima
- Organizer
  2015 Conference on Advanced Topics and Auto Tuning in High-Performance Scientific Computing
- Place of Presentation
  台北市、台湾
- Year and Date
  2015-02-28
- Invited
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Towards Auto-tuning in the Era of 200+ Thread Parallelisms --- FIBER Framework and Minimizing Software Stack2015
- Author(s)
  akahiro Katagiri, Satoshi Ohshima, Masaharu Matsumoto
- Organizer
  SIAM Conference on Computational Science & Engineering (CSE15)
- Place of Presentation
  ユタ州ソルトレーク市、米国
- Year and Date
  2015-03-18
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] 疎行列ソルバーにおける自動チューニングを用いたOpenMP指示文の最適化2014
- Author(s)
  大島聡史, 松本正晴, 片桐孝洋
- Organizer
  日本応用数理学会 2014年度年会
- Place of Presentation
  政策研究大学院大学（東京都目黒区）
- Year and Date
  2014-09-03
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Effective SpMV Implementation on Modern Parallel Architectures2014
- Author(s)
  大島聡史
- Organizer
  2014 Conference on Advanced Topics and Auto Tuning in High Performance Scientific Computing
- Place of Presentation
  National Taiwan University, Taipei, Taiwan
- Invited
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] OpenFOAMへの疎行列計算ライブラリXabclibの適用と評価2014
- Author(s)
  櫻井隆雄, 片桐孝洋, 大島聡史, 猪貝光祥, 黒田久泰
- Organizer
  オープンCAEシンポジウム2014
- Place of Presentation
  国立オリンピック記念青少年総合センター（東京都渋谷区）
- Year and Date
  2014-11-14
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Performance Evaluation of SpMV Considering Matrix Layout Parameters2014
- Author(s)
  Satoshi Ohshima
- Organizer
  HPC in Asia session at ISC’14
- Place of Presentation
  Leipzig, Germany
- Year and Date
  2014-06-26
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Performance Evaluation and Comparison of ICCG method using OpenMP and2014
- Author(s)
  Satoshi Ohshima
- Organizer
  Workshop on HPC and Cloud Accelerators
- Place of Presentation
  計算科学研究機構（兵庫県神戸市）
- Year and Date
  2014-10-26
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Xeon PhiにおけるSpMVの性能評価2013
- Author(s)
  大島聡史,金子勇,片桐孝洋
- Organizer
  情報処理学会研究報告(HPC-140)
- Place of Presentation
  北九州,北九州国際会議場(7月24日発行(Vol.2013-HPC-140 No.33), SWoPP2013)
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] メニーコアアーキテクチャ向けのSpMV最適化と自動チューニング2013
- Author(s)
  大島聡史,金子勇,片桐孝洋
- Organizer
  日本応用数理学会2013年度年会
- Place of Presentation
  アクロス福岡
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] GPUプログラム最適化のための指示文を用いたチューニング機構の開発2013
- Author(s)
  大島聡史
- Organizer
  第5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
- Place of Presentation
  東京大学山上会館
- Year and Date
  2013-12-25
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] Performance Evaluation of SpMV on Current Parallel Processors -- CPU vs GPU vs MIC --2013
- Author(s)
  Satoshi Ohshima
- Organizer
  HPC in Asia session at ISC'13
- Place of Presentation
  Congress Center Leipzig, Leipzig
- Year and Date
  2013-06-17
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] Xeon PhiにおけるSpMVの性能評価2013
- Author(s)
  大島聡史
- Organizer
  2013年並列／分散／協調処理に関する『北九州』サマー・ワークショップ（SWoPP北九州2013）
- Place of Presentation
  北九州国際会議場（北九州市）
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] GPUを用いた疎行列ベクトル積計算の最適化2012
- Author(s)
  大島聡史
- Organizer
  日本応用数理学会2012年会
- Place of Presentation
  稚内全日空ホテル（稚内市）
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] GPUプログラム最適化のための指示文を用いたチューニング機構の開発2012
- Author(s)
  大島聡史
- Organizer
  第4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
- Place of Presentation
  東京大学山上会館
- Year and Date
  2012-12-25
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] GPUを用いた疎行列ベクトル積計算の最適化2012
- Author(s)
  大島聡史
- Organizer
  日本応用数理学会2012年度年会
- Place of Presentation
  稚内全日空ホテル
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] Xabclib:ソルバ・前処理自動選択機能を備えた疎行列ライブラリ2012
- Author(s)
  櫻井隆雄, 片桐孝洋, 直野健, 黒田久泰, 中島研吾, 猪貝光祥, 大島聡史, 伊藤祥司
- Organizer
  日本応用数理学会2012年度年会
- Place of Presentation
  稚内全日空ホテル(北海道)
- Year and Date
  2012-08-31
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] 疎行列計算ライブラリ向け前処理・解法自動選択方式の提案2012
- Author(s)
  櫻井隆雄, 片桐孝洋, 直野健, 黒田久泰, 中島研吾, 猪貝光祥, 大島聡史, 伊藤祥司
- Organizer
  2012年並列/分散/協調処理に関する『鳥取』サマー・ワークショップ(SWOPP鳥取2012)
- Place of Presentation
  とりぎん文化会館(鳥取県)
- Year and Date
  2012-08-01
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] GPUを用いた疎行列ベクトル積計算の最適化2012
- Author(s)
  大島聡史
- Organizer
  日本応用数理学会2012年度年会
- Place of Presentation
  稚内全日空ホテル(稚内市)
- Year and Date
  2012-08-31
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] 行列格納形式の変換を考慮したGPU向け疎行列ソルバの開発2012
- Author(s)
  大島聡史, 伊東聰, 片桐孝洋, 中島研吾
- Organizer
  GTC JAPAN 2012
- Place of Presentation
  東京ミットタウンホール&カンファレンス(東京都)
- Year and Date
  2012-07-26
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] メニーコアアーキテクチャ向けのSpMV最適化と自動チューニング
- Author(s)
  大島聡史, 金子勇, 片桐孝洋
- Organizer
  日本応用数理学会 2013年度年会
- Place of Presentation
  アクロス福岡
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] GPUプログラム最適化のための指示文を用いた自動チューニング機構の開発
- Author(s)
  大島聡史
- Organizer
  第4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
- Place of Presentation
  東京大学山上会館
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] GPUプログラム最適化のための指示文を用いたチューニング機構の開発
- Author(s)
  大島聡史
- Organizer
  第5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
- Place of Presentation
  東京大学　山上会館（東京）
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] Performance Evaluation of SpMV on Current Parallel Processors -- CPU vs GPU vs MIC --
- Author(s)
  大島聡史
- Organizer
  HPC in Asia session at ISC'13
- Place of Presentation
  Congress Center Leipzig, Leipzig, Germany
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] メニーコアアーキテクチャ向けのSpMV最適化と自動チューニング
- Author(s)
  大島聡史
- Organizer
  日本応用数理学会 2013年度年会
- Place of Presentation
  アクロス福岡（福岡市）
- Data Source
  KAKENHI-PROJECT-24300004
[Presentation] Performance Evaluation of SpMV on Current Parallel Processors -- CPU vs GPU vs MIC --
- Author(s)
  Satoshi OHSHIMA
- Organizer
  HPC in Asia session at ISC'13 (ポスター発表)
- Place of Presentation
  Congress Center Leipzig, Leipzig, Germany
- Data Source
  KAKENHI-PROJECT-24700024
[Presentation] Xeon PhiにおけるSpMVの性能評価
- Author(s)
  大島聡史，金子勇, 片桐孝洋
- Organizer
  SWoPP2013北九州 (第140回HPC研究会)
- Place of Presentation
  北九州国際会議場
- Data Source
  KAKENHI-PROJECT-24700024

1. Ida Akihiro (80742121)

# of Collaborated Projects: 5 results

# of Collaborated Products: 22 results
2. Yokota Rio (20760573)

# of Collaborated Projects: 5 results

# of Collaborated Products: 22 results
3. IWASHITA Takeshi (30324685)

# of Collaborated Projects: 4 results

# of Collaborated Products: 2 results
4. 平石拓 (60528222)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
5. KATAGIRI Takahiro (40345434)

# of Collaborated Projects: 2 results

# of Collaborated Products: 25 results
6. TANAKA Teruo (90622837)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
7. ONO KENJI (90334333)

# of Collaborated Projects: 2 results

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

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. 星野哲也 (40775946)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. KURODA Hisayasu (60323507)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
11. SATO Masahiko (80455211)

# of Collaborated Projects: 1 results

# of Collaborated Products: 9 results
12. SAKURAI Takao (90634296)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
13. SUDA Reiji (40251392)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 高見利也 (10270472)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 田上大助 (40315122)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. Khan Emtiyaz (30858022)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 河合直聡 (80780791)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

OHSHIMA Satoshi 大島 聡史

Ohshima Satoshi 大島 聡史

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Creation of high-performance computational science using graphics hardware having hardware ray-tracing acceleration unitPrincipal Investigator

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Development of Auto-Tuning framework using pragmas for optimization of GPU programPrincipal Investigator

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[Journal Article] CUDA Fortran＋MIG＋UVMを用いたBLR行列QR分解の大規模高速化2023

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[Journal Article] Implementation of Radio Wave Propagation using RT Cores and Consideration of Programming Models2023

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[Journal Article] QR Factorization of?Block Low-Rank Matrices on Multi-instance GPU2023

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[Journal Article] Implementation of Radio Wave Propagation using RT Cores and Consideration of Programming Models2023

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[Journal Article] RTコアによる電波の伝搬損失計算の実装とプログラミングモデルの検討2022

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OHSHIMA Satoshi 大島聡史

Ohshima Satoshi 大島聡史