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Kawai Masatoshi  河合 直聡

ORCIDConnect your ORCID iD *help
Researcher Number 80780791
Other IDs
Affiliation (Current) 2025: 東北大学, サイバーサイエンスセンター, 助教
Affiliation (based on the past Project Information) *help 2024 – 2025: 名古屋大学, 情報基盤センター, 特任助教
2019 – 2022: 東京大学, 情報基盤センター, 特任助教
2018: 国立研究開発法人理化学研究所, 計算科学研究センター, 特別研究員
Review Section/Research Field
Principal Investigator
Basic Section 60090:High performance computing-related / Sections That Are Subject to Joint Review: Basic Section60040:Computer system-related , Basic Section60090:High performance computing-related / Basic Section 60040:Computer system-related
Except 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
Keywords
Principal Investigator
ライブラリ / Hybrid並列 / Hybrid並列化 / 負荷分散 / 動的コア割り付け / 低消費電力 / ロードバランシング / ハイブリッド並列化 / Digital Annealing / 高性能並列化 … More / Power Aware / MPI/OpenMP ハイブリッド並列化 / 動的負荷分散 / Dynamic Core Binding … More
Except Principal Investigator
混合精度演算 / 並列計算 / 数値線形代数 / 行列近似 / 低ランク近似 Less
  • Research Projects

    (3 results)
  • Research Products

    (10 results)
  • Co-Researchers

    (7 People)
  •  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
  •  ハードウェア資源割り当てを考慮したシステムの利用効率最適化に関する研究Principal Investigator

    • Principal Investigator
      河合 直聡
    • Project Period (FY)
      2024 – 2029
    • 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
      Nagoya University
  •  Development of Dynamic Thread Mapping Library for Load-Balancing among ProcessesPrincipal Investigator

    • Principal Investigator
      Kawai Masatoshi
    • Project Period (FY)
      2018 – 2022
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 60090:High performance computing-related
    • Research Institution
      The University of Tokyo
      Institute of Physical and Chemical Research

All 2023 2022 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Dynamic core binding for load balancing of applications parallelized with MPI/OpenMP2023

    • Author(s)
      Masatoshi Kawai, Akihiro Ida, Toshihiro Hanawa and Kengo Nakajima
    • Journal Title

      Computational Science - ICCS 2022

      Volume: -

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Journal Article] Multiplicative Schwartz-Type Block Multi-Color Gauss-Seidel Smoother for Algebraic Multigrid Methods2020

    • Author(s)
      Kawai Masatoshi、Ida Akihiro、Matsuba Hiroya、Nakajima Kengo、Bolten Matthias
    • Journal Title

      Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region

      Volume: - Pages: 217-226

    • DOI

      10.1145/3368474.3368481

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18059, KAKENHI-PROJECT-19H05662
  • [Presentation] Dynamic core binding for load balancing of applications parallelized with MPI/OpenMP2023

    • Author(s)
      Masatoshi Kawai, Akihiro Ida, Toshihiro Hanawa and Kengo Nakajima
    • Organizer
      International Conference on Computational Science (ICCS)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Presentation] Numerical Evaluation of Dynamic Core Binding Library with H-matrix Application2022

    • Author(s)
      Masatoshi Kawai
    • Organizer
      Conference on advanced topics and auto tuning in high-performance scientific computing
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Presentation] 前処理付きクリロフ部分空間法への低/任意精度の適用2022

    • Author(s)
      河合 直聡、中島 研吾
    • Organizer
      RIMS共同研究 (公開型) 数値解析が拓く次世代情報社会~エッジから富岳まで~
    • Invited
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Presentation] The Effect of the Higher Precision on the IC Preconditioner2020

    • Author(s)
      Masatosh Kawai
    • Organizer
      Workshop on Large-scale Parallel Numerical Computing Technology
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Presentation] 不均一なコア割付による動的負荷分散手法の検討2020

    • Author(s)
      河合 直聡、伊田 明弘、中島 研吾
    • Organizer
      応用数理学会年会
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Presentation] Multiplicative Schwartz-type block multi-color GS smoother for AMG2019

    • Author(s)
      Masatosh Kawai
    • Organizer
      A French-German-Japanese workshop in Tokyo
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Presentation] Higher precision for block ILU preconditioner2018

    • Author(s)
      M. Kawai, A. Ida and K. Nakajima
    • Organizer
      CoSaS2018
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18059
  • [Presentation] ppOpen-SOL: Robust ILU Preconditioner for Exascale2018

    • Author(s)
      M. Kawai, A. Ida and G. Wellein
    • Organizer
      HPC in Asia
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18059
  • 1.  伊田 明弘 (80742121)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  横田 理央 (20760573)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  塙 敏博 (30308283)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  岩下 武史 (30324685)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  大島 聡史 (40570081)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  星野 哲也 (40775946)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  平石 拓 (60528222)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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