Publications

Conferences

ICPADS2018 Tianqi Xu, Kento Sato and Satoshi Matsuoka, “Explorations of Data Swapping on Burst Buffer”, The 24th IEEE International Conference on Parallel and Distributed Systems (ICPADS 2018), Sentosa, Singapore, Dec, 2018. (Acceptance rate: 37.7%, 97/257)
MASCOTS2018 Yue Zhu, Fahim Chowdhury, Huansong Fu, Adam Moody, Kathryn Mohror, Kento Sato and Weikuan Yu, “Entropy-Aware I/O Pipelining for Large-Scale Deep Learning on HPC Systems”, IEEE International Symposium on the Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2018), Milwaukee, USA, Sep, 2018.
IPDPS2017 Teng Wang, Adam Moody, Yue Zhu, Kathryn Mohror, Kento Sato, Tanzima Islam and Weikuan Yu, "MetaKV: A Key-Value Store for Metadata Management of Distributed Burst Buffers", In Proceedings of the International Conference on Parallel and Distributed Processing Symposium 2017 (IPDPS2017), Orlando, USA, May, 2017.
PPoPP2017 Kento Sato, Dong H. Ahn, Ignacio Laguna, Gregory L. Lee, Martin Schulz and Christopher M. Chambreau, "Noise Injection Techniques for Reproducing Subtle and Unintended Message Races", Proceedings of the 20th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming (PPoPP17), Austin, USA, Feb, 2017. (Acceptance rate: 22.0%, 29/132)
ICPADS2016 Tianqi Xu, Kento Sato and Satoshi Matsuoka, "CloudBB: Scalable I/O Accelerator for Shared Cloud Storage", The 22nd IEEE International Conference on Parallel and Distributed Systems (ICPADS 2016), Wuhan, China, Dec, 2016. (Acceptance rate: 29.9%, 123/412)
SC16 Teng Wang, Kathryn Mohror, Adam Moody, Kento Sato and Weikuan Yu "An Ephemeral Burst-Buffer File System for Scientific Applications", In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2016 (SC16), Salt Lake City, USA, Nov, 2016. (Acceptance rate: 18.4%, 82/446)
SC15 Kento Sato, Dong H. Ahn, Ignacio Laguna, Gregory L. Lee and Martin Schulz, "Clock Delta Compression for Scalable Order-Replay of Non-Deterministic Parallel Applications", In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2015 (SC15), Austin, USA, Nov, 2015. (Acceptance rate: 22.1%, 79/358)
IPDPS2015 Naoto Sasaki, Kento Sato, Toshio Endo and Satoshi Matsuoka, "Exploration of Lossy Compression for Application-level Checkpoint/Restart", In Proceedings of the International Conference on Parallel and Distributed Processing Symposium 2015 (IPDPS2015), Hyderabad, INDIA, May, 2015. (Acceptance rate: 21.8%, 108/496)
CCGrid2014 Kento Sato, Kathryn Mohror, Adam Moody, Todd Gamblin, Bronis R. de Supinski, Naoya Maruyama and Satoshi Matsuoka, "A User-level InfiniBand-based File System and Checkpoint Strategy for Burst Buffers", In Proceedings of the 14th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing (CCGrid2014), Chicago, USA, May, 2014. (Acceptance rate: 19.1%, 54/283) (Best Paper Award !!)
IPDPS2014 Kento Sato, Adam Moody, Kathryn Mohror, Todd Gamblin, Bronis R. de Supinski, Naoya Maruyama and Satoshi Matsuoka, "FMI: Fault Tolerant Messaging Interface for Fast and Transparent Recovery", In Proceedings of the International Conference on Parallel and Distributed Processing Symposium 2014 (IPDPS2014), Phoenix, USA, May, 2014. (Acceptance rate: 21.1%, 114/541)
SC12 Kento Sato, Adam Moody, Kathryn Mohror, Todd Gamblin, Bronis R. de Supinski, Naoya Maruyama and Satoshi Matsuoka, "Design and Modeling of a Non-blocking Checkpointing System", In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2012 (SC12), Salt Lake, USA, Nov, 2012. (Acceptance rate: 21.2%, 100/472)
SC12 Akira Nukada, Kento Sato and Satoshi Matsuoka, "Scalable Multi-GPU 3-D FFT for TSUBAME 2.0 Supercomputer", In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2012 (SC12), Salt Lake, USA, Nov, 2012. (Acceptance rate: 21.2%, 100/472)
SC11 Naoya Maruyama, Tatsuo Nomura, Kento Sato, and Satoshi Matsuoka, "Physis: An Implicitly Parallel Programming Model for Stencil Computations on Large-Scale GPU-Accelerated Supercomputers", In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2011 (SC11), Seattle, USA, Nov 2011. (Acceptance rate: 21.0%, 74/352)

Journal (Refereed)

IJHPCA Kento Sato, Ignacio Laguna, Gregory L Lee, Martin Schulz, Christopher M Chambreau, Simone Atzeni, Michael Bentley, “Pruners: Providing Reproducibility for Uncovering Non-Deterministic Errors in Runs on Supercomputers”, The International Journal of High Performance Computing Applications, doi:10.1177/1094342019834621, April, 2019
JSFI
(180102)		 Dylan Chapp, Kento Sato, Dong H. Ahn and Michela Taufer, "Record-and-Replay Techniques for HPC Systems: A Survey", Supercomputing Frontiers and Innovations (180102), 2018

Workshops (Refereed)

ROSS2018
(in HPDC2018) 		Yue Zhu, Teng Wang, Kathryn Mohror, Adam Moody, Kento Sato, Muhib Khan and Weikuan Yu, “Direct-FUSE: Removing the Middleman for High-Performance FUSE File System Support”, The 8th International Workshop on Runtime and Operating Systems for Supercomputers (ROSS 2018) in conjunction with the 27th International Symposium on High-Performance Parallel and Distributed Computing (HPDC 2018), Tempe, Arizona, USA, 2018.
CRE2017
(in SC17) 		Kento Sato, Ignacio Laguna, Gregory L. Lee, Martin Schulz, Christopher M. Chambreau, Dong H. Ahn, Simone Atzeni, Michael Bentley, Genesh Gopalakrishnan, Zvonimir Rakamaric, Geof Sawaya and Joachim Protze, "PRUNERS: Providing Reproducibility for Uncovering Non-deterministic Errors in Runs on Supercomputers" (WIP talk), Computational Reproducibility at Exascale (CRE) at Supercomputing 2017 (SC17), Denver, USA, Nov, 2017.
PDSW-DISCS 2017
(in SC17) 		Yue Zhu, Teng Wang, Kathryn Mohror, Adam Moody, Kento Sato, Muhib Khan and Weikuan Yu, "Direct-FUSE: Removing the Middleman for High-Performance FUSE File System Support" (WIP talk), 2nd Joint International Workshop on Parallel Data Storage and data Intensive Scalable Computing Systems (PDSW-DISCS) at Supercomputing 2017 (SC17), Denver, USA, Nov, 2017.
Workshop
(in ICDCS2017) 		Kevin Brown, Tianqi Xu, Keita Iwabuchi, Kento Sato, Adam Moody, Kathryn Mohror, Nikhil Jain, Abhinav Bhatele, Martin Schulz, Roger Pearce, Maya Gokhale and Satoshi Matsuoka, "Accelerating Big Data Infrastructure and Applications (Ongoing collaboration)", The 1st US-Japan Workshop on Collaborative Global Research on Applying Information Technology in conjunction with The 37th IEEE International Conference on Distributed Computing Systems (ICDCS 2017), Atlanta, USA, June, 2017
ExaMPI15
(in SC15) 		Aiman Fang, Ignacio Laguna, Kento Sato, Tanzima Islam and Kathryn Mohror, "Fault Tolerance Assistant (FTA): An Exception Handling Approach for MPI Programs" (Hote topic), Workshop on Exascale MPI (ExaMPI15) at Supercomputing 2015 (SC15), Austin, USA, Nov, 2015.
EPForDM2015
(in EDBT2015) 		Moshe Gabel, Kento Sato, Daniel Keren, Satoshi Matsuoka and Assaf Schuster, “Latent Fault Detection With Unbalanced Workloads”, Event Processing, Forecasting and Decision-Making in the Big Data Era 2015 (EPForDM2015) in conjunction with the 18th International Conference on Extending Database Technology (EDBT), Brussels, Belgium, March, 2015.
FTXS2013
(in HPDC2013) 		Takafumi Saito, Kento Sato, Hitoshi Sato and Satoshi Matsuoka, "Energy-aware I/O Optimization for Checkpoint and Restart on a NAND Flash Memory System", In the Workshop on Fault-Tolerance for HPC at Extreme Scale 2013 (FTXS2013) in conjunction with the International Symposium on High Performance Parallel and Distributed Computing (HPDC13), New York, USA, June, 2013.
SACSIS2010 佐藤賢斗, 佐藤仁, 松岡聡, "仮想マシン動的再配置による大規模データアクセスの高速化", 情報処理学会先進的計算基盤システムシンポジウム論文集 (SACSIS2010), 奈良, May, 2010.
Cloud2009
(in CCGrid2009) 		Kento Sato, Hitoshi Sato and Satoshi Matsuoka, "A Model-Based Algorithm for Optimizing I/O Intensive Applications in Clouds using VM-Based Migration", In the International Workshop On Cloud Computing (Cloud2009) in conjunction with the International Symposium on Cluster Computing and the Grid 2009 (CCGrid2009), Shanghai, China, May, 2009.

Posters (Refereed)

SC18 Yue Zhu, Fahim Chowdhury, Huansong Fu, Adam Moody, Kathryn Mohror, Kento Sato and Weikuan Yu, “Multi-Client DeepIO for Large-Scale Deep Learning on HPC Systems”, In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2018 (SC18), Regular Poster, Dallas, USA, Nov, 2018. (Acceptance rate: 56%, 93/165)
ISC 2018 Tianqi Xu, Kento Sato and Satoshi Matsuoka, “HuronFS: Hierarchical, User-level and On-demand Burst Buffer File System”, In Proceedings of the International Supercomputing Conference (ISC 2018), Frankfurt, Germany, USA, June, 2018.
SC17 Tianqi Xu, Kento Sato and Satoshi Matsuoka, “A Simulation-Based Analysis on the Configuration of the Burst Buffer”, In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2017 (SC17), Regular Poster, Denver, USA, Nov, 2017. (Acceptance rate: 58%, 98/169) (Best Poster Finalist: 9/98)
SC17 Dylan Chapp, Kento Sato, Dong H. Ahn and Michela Taufer, “Towards Capturing Nondeterminism Motifs in HPC Applications”, In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2017 (SC17), ACM Student Research Competition Poster, Denver, USA, Nov, 2017. (Acceptance rate: 47%, 28/59)
SC15 Teng Wang, Kathryn Mohror, Adam Moody, Weikuan Yu and Kento Sato, “BurstFS: A Distributed Burst Buffer File System for Scientific Applications”, In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2015 (SC15), Austin, USA, Nov, 2015. (Acceptance rate: 44%, 112/253)
SC15 Tianqi Xu, Kento Sato and Satoshi Matsuoka, “Design and Modelling of Cloud-based Burst Buffers”, In Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2015 (SC15), Austin, USA, Nov, 2015. (Acceptance rate: 44%, 112/253)
ISC'15 Tianqi Xu, Kento Sato and Satoshi Matsuoka, “Towards Cloud-based Burst Buffers for I/O Intensive Computing in Cloud”, In HPC in Asia Workshop in conjunction with the International Supercomputing Conference (ISC’15), Frankfurt, Germany, July, 2015.
ISC'14 Naoto Sasaki, Kento Sato, Toshio Endo and Satoshi Matsuoka, "Exploration of Application-level Lossy Compression for Fast Checkpoint/Restart", In HPC in Asia Workshop in conjunction with the International Supercomputing Conference (ISC'14), Leipzig, Germany, June, 2014.
GTC2014 Kento Sato, Akira Nukada, Naoya Maruyama and Satoshi Matsuoka , "I/O acceleration with GPU for I/O-bound Applications", GPU Technology Conference 2014, Mar. 2014.
ISC'12 Kento Sato, Adam Moody, Kathryn Mohror, Todd Gamblin, Bronis R. de Supinski, Naoya Maruyama and Satoshi Matsuoka, "Towards a Light-weight Non-blocking Checkpointing System", In HPC in Asia Workshop in conjunction with the International Supercomputing Conference (ISC'12), Hamburg, Germany, June, 2012.
Grid2008 Kento Sato, Hitoshi Sato and Satoshi Matsuoka, "Model-based Optimization for Data-Intensive Application on Virtual Cluster", In the International Conference on Grid Computing (Grid 2008), Tsukuba, Sep, 2008.
SACSIS2008 佐藤賢斗, 佐藤仁, 松岡聡, "仮想クラスタを用いた Data-Intensive Application 実行環境の性能モデル構築と最適化に向けて", 先進的計算基盤システムシンポジウム 2008 (SACSIS2008), Tsukuba, June, 2008.

Workshops (Non-refereed)

Tech report 2015 Tianqi Xu, Kento Sato and Satoshi Matsuoka, "Cloud-based Burst Buffers for I/O Acceleration", IPSJ SIG Technical Reports 2015-HPC-150, Beppu, Japan, Aug, 2015.
Tech report 2014 Tianqi Xu, Kento Sato and Satoshi Matsuoka, "Towards Cloud Bursting for Extreme Scale Supercomputers", IPSJ SIG Technical Reports 2014-HPC-145, Nigata, Jul, 2014.
Tech report 2014 佐々木尚人, 佐藤賢斗, 遠藤敏夫, 松岡聡, "実アプリケーションにおけるウェーブレット変換を用いたチェックポイントデータの非可逆圧縮手法", IPSJ SIG Technical Reports 2014-HPC-145, Nigata, Jul, 2014.
Tech report 2013 Kento Sato, Satoshi Matsuoka, Adam Moody, Kathryn Mohror, Todd Gamblin, Bronis R. de Supinski and Naoya Maruyama, "Burst SSD Buffer: Checkpoint Strategy at Extreme Scale", IPSJ SIG Technical Reports 2013-HPC-141, Okinawa, Sep, 2013.
Tech report 2013 松岡 聡, 佐藤 賢斗, 遠藤敏夫 "エクサスケールスパコンに向けた耐故障性の評価 --- TSUBAME2.0を例にして ---", IPSJ SIG Technical Reports 2013-HPC-141, Okinawa, Sep, 2013.
SWoPP2012 Kento Sato, Adam Moody, Kathryn Mohror, Todd Gamblin, Bronis R. de Supinski, Naoya Maruyama and Satoshi Matsuoka, "Design and Modeling of an Asynchronous Checkpointing System", IPSJ SIG Technical Reports 2012-HPC-135 (SWoPP 2012), Tottori, Aug, 2012.
HOKKE-19 Kento Sato, Adam Moody, Kathryn Mohror, Todd Gamblin, Bronis R. de Supinski, Naoya Maruyama and Satoshi Matsuoka, "Towards an Asynchronous Checkpointing System", IPSJ SIG Technical Reports 2011-ARC-197 2011-HPC-132 (HOKKE-19), Hokkaido, Nov, 2011.
SWoPP2008 佐藤賢斗, 佐藤仁, 松岡聡, "仮想クラスタを用いたData-Intensive Application実行環境の性能モデル構築と最適化", 並列／分散／協調処理に関するサマーワークショップ (SWoPP2008), Saga, Aug, 2008.

Posters (Non-refereed)

  • Kento Sato, Adam Moody, Kathryn Mohror, Todd Gamblin, Bronis R. de Supinski, Naoya Maruyama and Satoshi Matsuoka, “Design and Modeling of a Non-Blocking Checkpoint System”, In ATIP - A*CRC Workshop on Accelerator Technologies in High Performance Computing, Singapore, March, 2012.
  • Kento Sato, Hitoshi Sato and Satoshi Matsuoka “Orchestrated Data Processing Acceleration for Data-Intensive Applications by using VM-based Migration”, The 1st Data Intensive Science Workshop, Tokyo, March, 2011.

Talks

  • Kento Sato, ``Next Generation System Software for High Performance Big Data’’, Kobe, Japan, March, 2019.
  • Kento Sato, ``PRUNERS: Providing Reproducibility for Uncovering Non-Deterministic Errors in Runs on Supercomputers’’, JOWOG(PMCD) Meeting, Albuquerque, USA, February, 2018.
  • Kento Sato, ``Debugging/Testing Non-deterministic MPI Applications’’, ECP 2nd Annual Meeting, Knoxville, USA, February, 2018.
  • Kento Sato, ``ReMPI: MPI Record-and-Replay Tool for Debugging/Testing Non-deterministic MPI Applications’’, ECP 2nd Annual Meeting, Knoxville, USA, February, 2018.
  • Kento Sato, ``Scalable Tools for Debugging Non-Deterministic MPI Applications’’, Scalable Tools Workshop, Lake Tahoe, USA, August, 2016.
  • Kento Sato, ``A Toolset for Debugging Non-deterministic MPI Applications’’, AICS invited seminar, Kobe, Japan, February, 2016.
  • Kento Sato, ``MPI Reproducibility for Debugging’’, Panelist at BoF: Reproducibility of High Performance Codes and Simulations − Tools, Techniques, Debugging, Supercomputing 2015 (SC15), Austin, USA, November, 2015.
  • Kento Sato, ``Extreme-Scale Resilience for Billion-Way of Parallelism’’, ATIP Workshop - Japanese Research Toward Next-Generation Extreme Computing, Supercomputing 2014 (SC14), New Orleans, USA, November, 2014.
  • Kento Sato, ``Resilience and Checkpointing’’ Emerging Technologies HPC Showcase, Supercomputing 2014 (SC14), New Orleans, USA, November, 2014.
  • Kento Sato, “Billion-Way Resiliency for Extreme Scale Computing”, Seminar at German Research School for Simulation Sciences, Aachen, Germany, October, 2014.
  • Kento Sato, “APIs, Architecture and Modeling for Extreme Scale Resilience”, Dagstuhl Seminar-14402, Dagstuhl, Germany, September 2014.
  • 佐藤賢斗, “確率モデルとスーパーコンピュータ”, 日本オペレーションズ・リサーチ学会 第248回待ち行列研究部会, Tokyo, July, 2014.
  • Kento Sato, “Design and Modeling of an Asynchronous Checkpointing System”, Emerging Technologies HPC Showcase, Supercomputing 2013 (SC13), Denver, USA, November, 2013.
  • Kento Sato, “Checkpointing and Lustre”, Japan LUG (Lustre Users Group) 2013, Tokyo, October, 2013.
  • Kento Sato, “A Model-Based Algorithm for Optimizing I/O Intensive Applications in Clouds using VM-Based Migration”, Korea-Japan E-Science Symposium, Miyagi, Aug, 2009.

Book Chapters

  • Satoshi Matsuoka, Takayuki Aoki, Toshio Endo, Hitoshi Sato, Shin’ichiro Takizawa, Akihiko Nomura, and Kento Sato, “TSUBAME2.0: The First Petascale Supercomputer in Japan and the Greatest Production in the World”, volume 1, chapter 20, pages 525–556. Chapman & Hall/CRC Computational Science, April 2013. [ Link ]

Dissertations

  • Kento Sato, “Design and Implementatin for Optimal Checkpoint/Restart”, Tokyo Institute of Technology, Committee members (Prof. Satoshi Matsuoka, Prof. Toshio Endo, Prof. Hidehiko Masuhara, Prof. Naoto Miyoshi and Prof. Ken Wakita), 2014.
  • Kento Sato, “仮想マシンマイグレーションを考慮した大規模データ処理の最適化”, Tokyo Institute of Technology, Committee members (Prof. Masataka Sassa, Prof. Osamu Watanabe, Prof. Shigeru Chiba, Prof. Ken Wakita and Prof. Satoshi Matsuoka), 2010.
  • Kento Sato, “仮想クラスタを用いたデータインテンシブアプリケーション実行 環境の性能モデル構築と最適化”, Tokyo Institute of Technology, Advisor (Satoshi Matsuoak), 2008.