RIKEN Center for Computational Science Facility Operations and Development Unit
Unit Leader: Toshiyuki Tsukamoto
Research Summary

Supetcomputer constantly consumes large amounts of electricity and the power changes into heat. Providing a stable supply of the consumed power and reliably eliminating the waste heat will draw out the full potential of the supercomputer.
Facility Operations and Development Unit performs maintenance and management of electrical and cooling facilities to ensure stable operation of our supercomputer. We are also working on R&D for maintaining an optimal working environment by combining steam-driven absorption refrigeration and inverter turbo refrigeration equipment, together with the operation of two 5000kW-class cogeneration systems.
Main Research Fields
- Engineering
Related Research Fields
- Informatics
- Interdisciplinary Science & Engineering
Keywords
- PUE (Power Usage Effectiveness)
- Power Consumption
- Thermal load
Selected Publications
- 1.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”
IPSJ Transactions on Advanced Computing Systems Vol.8, No.4, pp.13-25 (Nov 2015) - 2.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, 2015-7, Frankfurt, Germany. - 3.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, 2014-6, Cairns, Australia.
Related Links
Lab Members
Principal investigator
- Toshiyuki Tsukamoto
- Unit Leader
Core members
- Shinichi Miura
- Technical Scientist
- Satoshi Matsushita
- Technical Staff I
- Katsuyuki Tanaka
- Technical Staff I
- Makoto Igasaki
- Technical Staff I
- Fumio Tsuda
- Technical Staff I
- 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