Yuichi Tsujita

Name TSUJITA Yuichi
Affiliation RIKEN
Section Advanced Institute for Computational Science
Job title Research Scientist
Degree Ph.D(University of Tsukuba), Master of Engineering(University of Tsukuba)

Research Areas

Informatics / Computer system/Network /

Academic Background

- 1999 Applied Physics, Graduate School, Division of Engineering, University of Tsukuba
- 1994 College of Engineering Sciences, Third Cluster of College, University of Tsukuba

Research Project

  • Development of Parallel-I/O Library on a Heterogeneous Computing Environment using PC Clusters
    Grant-in-Aid for Scientific Research
    Project Year: 2003 - 2005
  • Development of Seamless Parallel I/O Interface for Heterogeneous Computing Environment
    Grants and Funding
    Project Year: 2004 - 2005
  • Development of a Portable Parallel I/O System for Remote I/O Operations
    Grant-in-Aid for Scientific Research
    Project Year: 2006 - 2008

Papers

2014
[6] Locality-Aware Process Mapping for High Performance Collective MPI-IO on FEFS with Tofu Interconnect (Yuichi Tsujita, Atsushi Hori, Yutaka Ishikawa), In Proceedings of the 21th European MPI Users' Group Meeting, ACM, 2014. (Challenges in Data-Centric Computing) [bib]
[5] FEFSにおけるストライピング処理を考慮した集団型MPI-IOの実装 (辻田 祐一, 堀 敦史, 石川 裕), 情報処理学会, volume 2014-HPC-145, 2014. [bib]
[4] Improving Parallel I/O Performance Using Multithreaded Two-Phase I/O with Processor Affinity Management (Yuichi Tsujita, Kazumi Yoshinaga, Atsushi Hori, Mikiko Sato, Mitaro Namiki, Yutaka Ishikawa), In Parallel Processing and Applied Mathematics - 10th International Conference, PPAM 2013, Warsaw, Poland, September 8-11, 2013, Revised Selected Papers, Part I (Roman Wyrzykowski, Jack Dongarra, Konrad Karczewski, Jerzy Wasniewski, eds.), Springer, volume 8384, 2014. [bib]
[3] Multithreaded Two-Phase I/O: Improving Collective MPI-IO Performance on a Lustre File System (Yuichi Tsujita, Kazumi Yoshinaga, Atsushi Hori, Mikiko Sato, Mitaro Namiki, Yutaka Ishikawa), In 22nd Euromicro International Conference on Parallel, Distributed, and Network-Based Processing, PDP 2014, Torino, Italy, February 12-14, 2014, IEEE Computer Society, 2014. [bib]
[2] 集団型MPI-IOの高速化に向けたI/Oリクエスト発行方式の最適化 (辻田 祐一, 堀 敦史, 石川 裕), 情報処理学会, volume 2014-HPC-146, 2014. [bib]
[1] Affinity-aware optimization of multithreaded two-phase I/O for high throughput collective I/O (Yuichi Tsuijta, Astsushi Hori, Yutaka Ishikawa), In International Conference on High Performance Computing & Simulation, HPCS 2014, Bologna, Italy, 21-25 July, 2014, IEEE, 2014. [bib]
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  • A Delegation Mechanism on Many-Core Oriented Hybrid Parallel Computers for Scalability of Communicators and Communications in MPI
    K. Yoshinaga, Y. Tsujita, A. Hori, M. Sato, M. Namiki and Y. Ishikawa
    Proceedings of PDP2013, Belfast, February 27-March 1, 2013 249-253 Feb 2013
  • Realizing Scalable MPI Communications on a Heterogeneous Platform with Multi-Core and Many-Core CPUs
    Kazumi Yoshinaga, Hidetaka Muguruma, Yuichi Tsujita, Atsushi Hori, Mitaro Namiki, Mikiko Sato, Taku Shimosawa, Takeo Sawada, Yutaka Ishikawa
    Proceedings of Work-in-Progress Session in PDP'12, Munich, Germany, February 15-17, 2012 Feb 2012
  • An Efficient Kernel-Level Blocking MPI Implementation,
    Atsushi Hori, Toyohisa Kameyama, Yuichi Tsujita, Mitaro Namiki, and Yutaka Ishikawa
    Recent Advances in the Message Passing Interface, Lecture Notes in Computer Science 7490 153-162 2012
  • Delegation-Based MPI Communications for a Hybrid Parallel Computer with Many-Core Architecture
    Kazumi Yoshinaga, Yuichi Tsujita, Atsushi Hori, Mikiko Sato, Mitaro Namiki and Yutaka Ishikawa
    Recent Advances in the Message Passing Interface, Lecture Notes in Computer Science 7490 47-56 2012
  • A Design of Hybrid Operating System for a Parallel Computer with Multi-Core and Many-Core Processors
    Mikiko Sato, Go Fukazawa, Kiyohiko Nagamine, Ryuichi Sakamoto, Mitaro Namiki, Kazumi Yoshinaga, Yuichi Tsujita, Atsushi Hori, and Yutaka Ishikawa
    Proceedings of the 2nd International Workshop on Runtime and Operating Systems for Supercomputers (ROSS) 2012 2012
  • Optimizations for Two-Phase Collective I/O
    Michael Kuhn, Julian Kunkel, Yuichi Tsujita, Hidetaka Muguruma, Thomas Ludwig
    Applications, Tools and Techniques on the Road to Exascale Computing (Post-Proceedings of ParCo2011), Advances in Parallel Computing 22 455-462 2012
  • Tracing Performance of MPI-I/O with PVFS2: A Case Study of Optimization
    Yuichi Tsujita, Julian Kunkel, Stephan Krempel, and Thomas Ludwig
    Parallel Computing: From Multicores and GPU's to Petascale (Post Proceedings of ParCo'09), Advances in Parallel Computing 19 379-386 2010
  • Tracing Internal Communications in MPI and MPI-I/O
    Julian M. Kunkel, Yuichi Tsujita, Olga Mordvinova, and Thomas Ludwig
    Proceedings of PDCAT 2009, Hiroshima, Japan, December 8-11, 2009, IEEE CS Press 280-286 2009
  • Evaluation of melting point of UO2 by molecular dynamics simulation
    Tatsumi Arima, Kazuya Idemitsu, Yaohiro Inagaki, Yuichi Tsujita, Motoyasu Kinoshita, and Eugene Yakub
    Journal of Nuclear Materials 389(1) 149-154 2009
  • A Compact Computing Environment for a Windows Cluster: Giving Hints and Assisting Job Execution
    Yuichi Tsujita, Takuya Maruyama, and Yuhei Onishi
    Recent Advances in Parallel Virtual Machine and Message Passing Interface, Lecture Notes in Computer Science 5205 322-323 2008
  • Implementing a Parallel NetCDF Interface for Seamless Remote I/O Using Multi-Dimensional Data
    Yuichi Tsujita
    High Performance Computing for Computational Science - VECPAR 2008, 8th International Conference, Toulouse, France, June 24-27, 2008. Revised Papers, Lecture Notes in Computer Science 5336 69-82 2008
  • Building An Application-Specific Grid Computing Environment Using ITBL for Nuclear Material Engineering
    Yuichi Tsujita, Tatsumi Arima, Kazuya Idemitsu, Yoshio Suzuki, and Hideo Kimura
    Proceedings of The 16th International Conference on Nuclear Engineering (ICONE16) (Orlando, Florida, USA) 2008
  • An Empirical Study of Optimization in Seamless Remote MPI-I/O for Long Latency Network
    Yuichi Tsujita
    Lecture Notes in Computer Science, Recent Advances in Parallel Virtual Machine and Message Passing Interface 4757 389-390 2007
  • Supporting Seamless Remote I/O Using a Parallel NetCDF Interface
    Yuichi Tsujita
    Distributed and Parallel Systems - From Cluster to Grid Computing -, Springer 81-90 2007
  • Implementation of a Parallel NetCDF Interface for Seamless Collective Remote I/O
    Yuichi Tsujita
    Proceedings of IADIS International Conference on Applied Computing 2007 732-736 2007
  • Remote MPI-I/O on a Parallel Virtual File System Using a Circular Buffer for High Throughput
    Yuichi Tsujita
    International Journal of Computers and Applications 29(3) 291-299 2007
  • Effective Seamless Remote MPI-I/O Operations with Derived Data Types Using PVFS2
    Yuichi Tsujita
    Recent Advances in Parallel Virtual Machine and Message Passing Interface, Springer 4192 230-237 2006
  • Realizing Effective MPI-I/O to a Remote Computer Using a Parallel Virtual File System
    Yuichi Tsujita
    IEICE Transactions on Information and Systems E89-D(2) 425-432 2006
  • Effective Remote MPI-I/O on a Parallel Virtual File System Using a Circular Buffer: A Case Study for Optimization
    Yuichi Tsujita
    Proceedings of the IASTED PDCS2005, ACTA Press 490-495 2005
  • Efficient MPI-I/O Support in Data-Intensive Remote MPI-I/O Operations Using a Parallel Virtual File System
    Yuichi Tsujita
    Current Trends in High Performance Computing and Its Applications, Springer 135-144 2005
  • Optimization of Nonblocking MPI-I/O to a Remote Parallel Virtual File System Using a Circular Buffer
    Yuichi Tsujita
    Lecture Notes in Computer Science, Springer 3726 585-594 2005
  • MPI-I/O Operations to a Remote Computer Using Java
    Yuichi Tsujita
    Proceedings of ICPADS 2005, Volume II Workshops, IEEE Computer Society Press 694-698 2005
  • Effective Overlap of Computation with I/O Operations in Remote MPI-I/O Operations Using a Multithreaded I/O Mechanism
    Yuichi Tsujita
    Proceedings of IASTED PDCN2005, ACTA Press 228-233 2005
  • Effective MPI-I/O in Remote I/O Operations Using a Multithreaded Mechanism
    Yuichi Tsujita
    Lecture Notes in Computer Science, Springer 3358 34-43 2004
  • MPI-I/O with a Shared File Pointer Using a Parallel Virtual File System in Remote I/O Operations
    Yuichi Tsujita
    Distributed and Parallel Systems, Cluster and Grid Computing, Kluwer International Series in Engineering and Computer Science, Springer 777 47-54 2004
  • Implementation of an MPI-I/O Mechanism Using PVFS in Remote I/O to a PC Cluster
    Yuichi Tsujita
    Proceedings of 7th International Conference on High Performance Computing and Grid in Asia Pacific Region (HPC Asia 2004), IEEE Computer Society Press 136-139 2004
  • Flexible Intermediate Library for MPI-2 Support for Heterogeneous Computing Environment
    Yuichi Tsujita
    Lecture Notes in Computer Science, Grid and Cooperative Computing, Springer 3033 129-136 2004
  • MPI-2 Support in Heterogeneous Computing Environment Using an SCore Cluster System
    Yuichi Tsujita, Toshiyuki Imamura, Nobuhiro Yamagishi, and Hiroshi Takemiya
    Lecture Notes in Computer Science, Parallel and Distributed Processing and Applications, Springer 2745 139-144 2003
  • Stampi-I/O: A Flexible Parallel-I/O Library for Heterogeneous Computing Environment
    Yuichi Tsujita, Toshiyuki Imamura, Hiroshi Takemiya, and Nobuhiro Yamagishi
    Lecture Notes in Computer Science, Recent Advances in Parallel Virtual Machine and Message Passing Interface, Springer 2474 288-295 2002
  • The Belle Detector
    A. Abashian et al.
    Nucl. Instrum. & Methods, Sec. A 479 117-232 2002
  • Status of the Belle SVD detector
    R. Abe et al. (Belle Collaboration)
    Nuclear Instruments and Methods in Physics Research A 478(Issues 1-2) 296-298 2002
  • Distributed Parallel-I/O Library for Heterogeneous Computing Environment
    Yuichi Tsujita, Toshiyuki Imamura, Hiroshi Takemiya, and Nobuhiro Yamagishi
    Proceedings of The 5th World Multi-Conference in Systemics, Cybernetics and Informatics, Vol. VII, Computer Science and Engineering: Part I, July 22-25, 2001, Orlando, Florida, USA 402-407 2001
  • Performance of the BELLE Silicon Vertex Detector
    R. Abe et al.
    IEEE Trans. Nucl. Sci. 48(4) 997-1001 2001
  • Measurement of inclusive production of neutral pions from \Upsilon(4S) decays
    K. Abe et al. (Belle Collaboration)
    Phys. Rev. D 64 072001 2001
  • Measurement of the branching fraction for the inclusive B → X_s\gamma decays with the Belle detector
    K. Abe et al. (Belle Collaboration)
    Phys. Let. B 511 151-158 2001
  • Measurement of B_d^0-\bar{B_d^0} Mixing Rate from the Time Evolution of Dilepton Events at the \Upsilon(4S)
    K. Abe et al. (Belle Collaboration)
    Phys. Rev. Let. 86(15) 3228-3232 2001
  • An Architecture of Stampi: MPI Library on a Cluster of Parallel Computers
    T. Imamura, Y. Tsujita, H. Koide, and H. Takemiya
    Lecture Notes in Computer Science, Recent Advances in Parallel Virtual Machine and Message Passing Interface 1908 200-207 2000
  • Development of Regional Atmospheric Dynamic and Air Pollution Models for Nuclear Emergency Response System WSPEEDI
    A. Furuno et al.
    Proceedings of The Fourth International Conference on Supercomputing in Nuclear Applications 2000
  • Software Environment for Local Area Metacomputing
    H. Takemiya el al.
    Proceedings of The Fourth International Conference on Supercomputing in Nuclear Applications 2000
  • The BELLE silicon vertex detector
    G. Alimonti et al. Nucl. Instrum. & Methods, Sec. A 453 71-77 2000
  • Construction of a Compact DAQ-system using DSP-based VME modules
    Y. Tsujita, J. S. Lange, and C. Fukunaga
    IEEE Trans. Nucl. Sci. 47(2) 123-126 2000
  • Parallel-Processing Diagnostic Program for a Transputer-Based Readout System
    Y. Tsujita, T. Nobori, C. Fukunaga, M. Tanaka, T. Tsuboyama, Y. Asano, and S. Mori
    Jpn. J. Appl. Phys. Vol. 38(11, Part 1) 6498-6501 1999
  • Performance of a Double-Sided Silicon Microstrip Detector with a Wide-Pitch N-side Readout using a Field-Plate and a Multi P-stop Structure
    Y. Saito et al.
    IEEE Trans. Nucl. Sci. 44(3) 622-628 1997
  • Sum-peak Method and Angular Correlation Correction for a 60Co Source by a Ge(Tl) Detector
    Yuzo Asano, Shigeki Mori, Yoshinori Ohta, and Yuichi Tsujita
    Jpn. J. Appl. Phys. 35(7) 4117-4120 1996
  • Energy straggling of 1 GeV/c negative pions in plastic scintillation counters of 4 and 10 cm in thickness
    Y. Asano, H. Hamasaki, S. Mori, S. Sasaki, Y. Tsujita, and K. Yusa
    Journal of Radioanalytical and Nuclear Chemistry, Articles 210(1) 79-85 1996
  • Test of a 3 m long, 4 × 4 cm^2 time-of-flight (TOF) scintillation counter using 38 × 38 mm^2 fine-mesh photomultipliers in magnetic fields up to 1.5 T
    Y. Tsujita, Y. Asano, H. Hamasaki, S. Mori, K.Yusa, R. Kephert
    Nucl. Instrum. & Methods, Sec. A 383 413-423 1996

Misc

  • Implementation of a Parallel NetCDF Interface for Seamless Remote Collective I/O Operations
    Yuichi Tsujita
    Technical Report of Research Institute of Engineering, Kinki University 2006
  • Implementation of an MPI-I/O Mechanism Using PVFS among Computers and Its Evaluation (Japanese)
    Yuichi Tsujita
    IPSJ SIG Technical Reports 2005-HPC-101, IPSJ 2005(19) 187-192 2005
  • Implementation of a Parallel NetCDF Interface in Remote I/O
    Yuichi Tsujita
    IPSJ SIG Technical Reports 2005-HPC-104, IPSJ (Japanese) 2005(97) 19-24 2005
  • Large Scale MD Simulation for Nuclear Materials Using ITBL
    Y. Tsujita, T. Arima, S. Yamasaki, N. Nakajima, T. Aoyagi, and K. Idemitsu
    Proceedings of the 56th Chugoku-chapter Multi-Conference in Electronics and Information Science (Japanese) 329 2005
  • Optimization in Remote MPI-I/O Operations Using a Parallel Virtual File System
    Yuichi Tsujita
    Research Reports of the School of Engineering, Kinki University (39) 141-147 2005
  • Development of Distributed Parallel I/O Library: Stampi-I/O
    Y. Tsujita, T. Imamura, H. Takemiya, and N. Yamagishi
    Proceedings of the Conference on Computational Engineering and Science 7(1) 159-162 2002
  • Evaluation of Communication Performance among SCore Cluster Systems via VPN using MPI Communication Library, Stampi
    Y. Tsujita, N. Yamagishi,K. Kimura, N. Tsuruoka, N. Fujita, T. Otani
    IPSJ SIG Techinical Reports 2002-HPC-92 2002(99) 7-12 2002
  • Parallel-I/O Implementation in Communication Library, Stampi, for Heterogeneous Computing Environment (Japanese)
    Y. Tsujita, T. Imamura, H. Takemiya, and N. Yamagishi
    IPSJ SIG Technical Reports 2000-HPC-84 2000(114) 43-48 2000

Bibliography

New Horizons of Parallel and Distributed Computing (chapter 1: Flexible Message Passing Interface for a Heterogeneous Computing Environment)
Springer 2005