Osamu Tatebe, PhD

Professor, Center for Computational Sciences, University of Tsukuba

High Performance Computing


Professor, Center for Computational Sciences, University of Tsukuba
Professor, Department of Computer Science, Faculty of Engineering, Information and Systems, University of Tsukuba
Professor, College of Information Science, School of Informatics, University of Tsukuba
Chairman, NPO Tsukuba OSS Technical Support Center
[ TRIOS | research map ]


HPCS Laboratory


tatebe at cs.tsukuba.ac.jp

Research Presentation

Caching Support for CHFS Node-local Persistent Memory File System
ESSA 2022, June 3, 2022

Research Presentation

CHFS: Parallel Consistent Hashing File System for Node-local Persistent Memory
HPC Asia 2022, January 14, 2022


Report from Dagstuhl Seminar 21332
Understanding I/O Behavior in Scientific and Data-Intensive Computing
Dagstuhl Reports, Vol. 11, Issue 07, pp.16-75, 2021

Research Interest

Parallel and Distributed System Software
Storage System and Parallel I/O
Data-Intensive Computing
High Performance Computing


Chapter 6, System Software for Data-Intensive Science, Advanced Software Technologies for Post-Peta Scale Computing, Springer, pp.99-120, 2019


Chapter 16, Oakforst-PACS, Contemporary High Performance Computing: From Petascale toward Exascale, Volume 3, CRC Press, pp.401-422, 2019


  • Sohei Koyama, Osamu Tatebe, "Scalable Data Parallel Distributed Training for Graph Neural Networks", Proceedings of Workshop on AI for Datacenter Optimization (ADOPT'22), pp.699-707, 10.1109/IPDPSW55747.2022.00121, 2022
  • Osamu Tatebe, Hiroki Ohtsuji, "Caching Support for CHFS Node-local Persistent Memory File System", Proceedings of 3rd Workshop on Extreme-Scale Storage and Analysis (ESSA 2022), pp.1103-1110, 10.1109/IPDPSW55747.2022.00182, 2022
  • Osamu Tatebe, Kazuki Obata, Kohei Hiraga, Hiroki Ohtsuji, "CHFS: Parallel Consistent Hashing File System for Node-local Persistent Memory", Proceedings of the ACM International Conference on High Performance Computing in Asia-Pacific Region (HPC Asia 2022), pp.115-124, 10.1145/3492805.3492807, 2022
  • Kohei Sugihara, Osamu Tatebe, "Design of Direct Read from Sparse Segments in MPI-IO", Proceedings of the 6th IEEE International Conference on Data Science and Systems (DSS), pp.1308-1315, 10.1109/HPCC-SmartCity-DSS50907.2020.00168, 2020
  • Takayuki Tanabe, Takashi Hoshino, Hideyuki Kawashima, Osamu Tatebe, "An Analysis of Consistency Control Protocols for In-Memory Databases with CCBench", Proceedings of the VLDB Endowment, Vol. 13, No. 13, pp. 3531-3544, doi: 10.14778/3424573.3424575, 2020
  • Kohei Sugihara, Osamu Tatebe, "Design of Locality-aware MPI-IO for Scalable Shared File Write Performance", Proceedings of the IEEE International Workshop on High-Performance Storage, pp.1080-1089, doi: 10.1109/IPDPSW50202.2020.00179, 2020
  • Kohei Hiraga, Osamu Tatebe, Hideyuki Kawashima, "Scalable Distributed Metadata Server Based on Nonblocking Transactions", Journal of Universal Computer Science, Vol.26, Issue 1, pp.89-106, 2020
  • Osamu Tatebe, Shukuko Moriwake, Yoshihiro Oyama, "Gfarm/BB - Gfarm file system for node-local burst buffer", Journal of Computer Science and Technology, Vol.35, Issue 1, pp.61-71, doi: 10.1007/s11390-020-9803-z, 2020
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