Centers & Labs

RIKEN Center for Computational Science

System Operations and Development Unit

Unit Leader: Atsuya Uno (Ph.D.)
Atsuya  Uno(Ph.D.)

System Operations and Development Team is done according to the research and development on advanced management operations in K computer. We will make necessary improvements while analyzing the operational status with respects to operating system, job scheduler , MPI library etc.

Main Research Field

Engineering

Keywords

  • High Performance Computing
  • Power Efficiency
  • Job Scheduling

Selected Publications

  1. Y. Tsujita, T. Yoshizaki, K. Yamamoto, F. Sueyasu, R. Miyazaki, and A. Uno.:
    “Alleviating I/O Interference Through Workload-Aware Striping and Load-Balancing on Parallel File Systems”
    LNCS 10266, pp. 315-333 (2017)
  2. Atsuya UNO, Ryuichi SEKIZAWA.:
    “A Study of Job Scheduling Performance focusing on Compute Node Maintenance”
    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 (2106)
  3. Atsuya UNO, Hajime HIDA, Fumio INOUE, Naoki IKEDA, Toshiyuki TSUKAMOTO, Fumichika SUEYASU, Satoshi MATSUSHITA, Fumiyoshi SHOJI.:
    “Operation of the K computer Focusing on System Power Consumption”
    情報処理学会論文誌 コンピューティングシステム 第8巻 第4号 pp.13-25 (2015)
  4. Fumiyoshi Shoji, Shuji Matsui, Mitsuo Okamoto, Fumichika Sueyasu, Toshiyuki Tsukamoto, Atsuya Uno, Keiji Yamamoto.:
    “Long term failure analysis of 10 Petascale supercomputer”
    ISC2015 HPC IN ASIA POSTER AWARD, Frankfurt, Germany (2015)
  5. Keiji Yamamoto, Atsuya Uno, Hitoshi Murai, Toshiyuki Tsukamoto, Fumiyoshi Shoji, Shuji Matsui, Ryuichi Sekizawa, Fumichika Sueyasu, Hiroshi Uchiyama, Mitsuo Okamoto, Nobuo Ohgushi, Katsutoshi Takashina, Daisuke Wakabayashi, Yuki Taguchi and Mitsuo Yokokawa.:
    “The K computer Operations: Experiences and Statistics”
    ICCS2014, Cairns, Australia (2014)

Lab Members

Principal Investigator

Atsuya Uno
Unit Leader

Core Members

Hitoshi Murai
Research & Development Scientist
Fumio Inoue
Research & Development Scientist
Yuichi Tsujita
Senior Technical Scientist
Keiji Yamamoto
Technical Scientist
Katsufumi Sugeta
Expert Technician
Mitsuo Iwamoto
Technical Staff I

Contact information

7-1-26,Minatojima-minami-machi,
Chuo-ku,Kobe,Hyogo
650-0047,Japan

Email: r-ccs-koho [at] ml.riken.jp

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