keyword Parallel Processing
Osaka University Graduate School of Information Science and Technology Department of Computer Science
2003/04 - 2006/03
Osaka University
2001/04 - 2003/03
Osaka University School of Engineering Science Direct Affiliates Department of Information and Computer Sciences
1997/04 - 2001/03
情報処理学会ハイパフォーマンスコンピューティング研究会 運営委員 Academic society
2022/04 - Present
情報処理学会 第87回全国大会プログラム編成WG委員 Academic society
2025 - 2025
9th International Workshop on Large-scale HPC Application Modernization (LHAM’22) Program Committee Academic society
2022 - 2022
8th International Workshop on Large-scale HPC Application Modernization (LHAM’21) Program Committee Academic society
2021 - 2021
International Conference on High Performance Computing in Asia-Pacific Region (HPCAsia 2020) Program Committee Academic society
2020 - 2020
7th International Workshop on Large-scale HPC Application Modernization (LHAM’20) Program Committee Academic society
2020 - 2020
The 4th cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG 2020) Program Committee Academic society
2020 - 2020
7th International Workshop on Computer Systems and Architectures (CSA'19) Program Committee Academic society
2019 - 2019
6th International Workshop on Large-scale HPC Application Modernization (LHAM’18) Program Committee Academic society
2018 - 2018
5th International Workshop on Legacy HPC Application Migration (LHAM’17) Program Committee Academic society
2017 - 2017
国立情報学研究所 教育クラウド環境・利用タスクフォース委員会 Academic society
2010/04 - 2011/03
IEEE
電子情報通信学会
情報処理学会
Informatics / Software /
令和3年度 大阪大学賞 教育貢献部門
2021/11
電気通信普及財団 第18回テレコムシステム技術学生賞
2003
Lazy Qubit Reordering for Accelerating Parallel State-Vector-based Quantum Circuit Simulation
Yusuke Teranishi, Shoma Hiraoka, Wataru Mizukami, Masao Okita, Fumihiko Ino
ACM Transactions on Quantum Computing 2025/07/12 Research paper (scientific journal)
Overlapping Aware Data Placement Optimizations for LSM Tree-Based Store on ZNS SSDs
Jingcheng Shen, Lang Yang, Linbo Long, Zhenhua Tan, Congming Gao, Kan Zhong, Masao Okita, Fumihiko Ino
ACM Transactions on Architecture and Code Optimization 2025/03/04 Research paper (scientific journal)
A compression-based memory-efficient optimization for out-of-core GPU stencil computation.
Jingcheng Shen, Linbo Long, Xin Deng, Masao Okita, Fumihiko Ino
The Journal of Supercomputing Vol. 79 No. 10 p. 11055-11077 2023/07 Research paper (scientific journal)
Accelerating Imbalanced Many-to-Many Communication with Systematic Delay Insertion.
Hirotoshi Yamada, Masao Okita, Fumihiko Ino
PDCAT p. 426-437 2022/12 Research paper (international conference proceedings)
Accelerating a Lossy Compression Method with Fine-Grained Parallelism on a GPU.
Yifan Wu, Jingcheng Shen, Masao Okita, Fumihiko Ino
12th International Symposium on Parallel Architectures, Algorithms and Programming(PAAP) p. 76-81 2021/12 Research paper (international conference proceedings)
Publisher: IEEE
Accelerating GPU-Based Out-of-Core Stencil Computation with On-the-Fly Compression.
Jingcheng Shen, Yifan Wu, Masao Okita, Fumihiko Ino
Parallel and Distributed Computing, Applications and Technologies - 22nd International Conference(PDCAT) p. 3-14 2021 Research paper (international conference proceedings)
Publisher: Springer
Accelerating In-Transit Co-Processing for Scientific Simulations Using Region-Based Data-Driven Analysis.
Marcus Wallden, Masao Okita, Fumihiko Ino, Dimitris Drikakis, Ioannis Kokkinakis
Algorithms Vol. 14 No. 5 p. 154-154 2021 Research paper (scientific journal)
Accelerating Human Genome Phenotypic Analysis with Bitwise Search and Batched Computation.
Yuichiro Miyamoto, Masao Okita, Fumihiko Ino
28th Euromicro International Conference on Parallel, Distributed and Network-Based Processing(PDP) p. 258-265 2020/03 Research paper (international conference proceedings)
Publisher: IEEE
Transparent In-memory Cache Management in Apache Spark based on Post-Mortem Analysis.
Atsuya Nasu, Kenji Yoneo, Masao Okita, Fumihiko Ino
2019 IEEE International Conference on Big Data (IEEE BigData) p. 3388-3396 2019 Research paper (international conference proceedings)
Publisher: IEEE
Memory Efficient Load Balancing for Distributed Large-Scale Volume Rendering Using a Two-layered Group Structure
Marcus Wallden, Stefano Markidis, Masao Okita, Fumihiko Ino
IEICE Transactions on Information and Systems Vol. E102-D No. 12 p. 2306-2316 2019 Research paper (scientific journal)
Accelerating the Held-Karp Algorithm for the Symmetric Traveling Salesman Problem
Kazuro Kimura, Shinya Higa, Masao Okita, Fumihiko Ino
IEICE Transactions on Information and Systems Vol. E102-D No. 12 p. 2329-2340 2019 Research paper (scientific journal)
Transparent Avoidance of Redundant Data Transfer on GPU-enabled Apache Spark.
Ryo Asai, Masao Okita, Fumihiko Ino, Kenichi Hagihara
Proceedings of the 11th Workshop on General Purpose Processing Using GPU (GPGPU 2018) p. 22-30 2018 Research paper (international conference proceedings)
Publisher: ACM
A Versatile Platform for Multilevel Modeling of Physiological Systems: SBML-PHML Hybrid Modeling and Simulation
ASAI Yoshiyuki, KITANO Hiroaki, ABE Takeshi, OKA Hideki, OKITA Masao, HAGIHARA Ken-ichi, GHOSH Samik, MATSUOKA Yukiko, KURACHI Yoshihisa, NOMURA Taishin
Advanced Biomedical Engineering Vol. 3 No. 0 p. 50-58 2014 Research paper (scientific journal)
Publisher: Japanese Society for Medical and Biological Engineering
Accelerating ODE-Based Simulation of General and Heterogeneous Biophysical Models Using a GPU
Tomohiro Okuyama, Masao Okita, Takeshi Abe, Yoshiyuki Asai, Hiroaki Kitano, Taishin Nomura, Kenichi Hagihara
IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS Vol. 25 No. 8 p. 1966-1975 2014 Research paper (scientific journal)
A High-Throughput SHA-1 Computation System by SSE Instructions for Deduplication Storage
Yuki Tsubouchi, Fumihiko Ino, Masao Okita, Satoshi Yamakawa, Takehiko Kashiwagi, Kenichi Hagihara
Transactions of IEICE Vol. 96 No. 10 p. 2101-2109 2013 Research paper (scientific journal)
Publisher: The Institute of Electronics, Information and Communication Engineers
PhysioDesigner and Flint: a platform for multilevel modeling of physiological systems and simulation
Proceedings of 5th the International Conference on Computational Bioengineering (ICCB 2013) 2013 Research paper (other academic)
Multilevel modeling of Physiological Systems and Simulation Platform: PhysioDesigner, Flint and Flint K3 service
Yoshiyuki Asai, Takeshi Abe, Masao Okita, Tomohiro Okuyama, Nobukazu Yoshioka, Shigetsohi Yokoyama, Masaru Nagaku, Ken-ichi Hagihara, Hiroaki Kitano
2012 IEEE/IPSJ 12TH INTERNATIONAL SYMPOSIUM ON APPLICATIONS AND THE INTERNET (SAINT) p. 215-219 2012 Research paper (international conference proceedings)
An Open Platform toward Large-Scale Multilevel Modeling and Simulation of Physiological Systems.
Yoshiyuki Asai, Hideki Oka, Takeshi Abe, Masao Okita, Kenichi Hagihara, Taishin Nomura, Hiroaki Kitano
11th Annual International Symposium on Applications and the Internet, SAINT 2011, Munich, Germany, 18-21 July, 2011, Proceedings p. 250-255 2011
Publisher: IEEE Computer Society
insilicoSim: an extendable engine for parallel heterogeneous biophysical simulations.
Eric Martin Heien, Masao Okita, Yoshiyuki Asai, Taishin Nomura, Kenichi Hagihara
3rd International Conference on Simulation Tools and Techniques, SIMUTools '10, Malaga, Spain - March 16 - 18, 2010 2010
Publisher: ICST/ACM
Large-Scale Trace Generation for Performance Analysis of Message Passing Parallel Programs
IPSJ Transactions on Advanced Computing Systems Vol. Vol.47, No.SIG7(ACS14), pp.1-11 2006
Trace Reduction for Performance Improvement Assessment of Message Passing Parallel Programs
Systems and Computers in Japan Vol. Vol.37, No.5, pp.1-13 2006
PerWiz: A what-if prediction tool for tuning message passing programs
F Ino, Y Kanbe, M Okita, K Hagihara
HIGH PERFORMANCE COMPUTING FOR COMPUTATIONAL SCIENCE - VECPAR 2004 Vol. 3402 p. 396-409 2005 Research paper (scientific journal)
Trace Reduction for Performance Improvement Assessment of Message Passing Parallel Programs
Transactions of IEICE Vol. Vol.J88-D-I, No.4, pp.780-790 2005
A Performance Prediction Tool for Evaluating Potential Improvement of Message Passing Programs
IPSJ Transactions on Advanced Computing Systems Vol. Vol.44, No.SIG11(ACS3), pp.101-110 2003
MPI-PreDebugger: A Debugging Support Tool for Message-passing Parallel Programs via Communication Dependency Analysis
OKITA MASAO, INO FUMIHIKO, FUJIMOTO NORIYUKI, HAGIHARA KENICHI
IPSJ Transactions on High Performance Computing Systems Vol. Vol.43, No.SIG6(HPS5), pp.88-98 No. 5 p. 88-98 2002
Publisher: Information Processing Society of Japan (IPSJ)
自由視点画像を高速に生成するためのオンラインレンダリング
荒川雄登, 置田真生, 伊野文彦
第22回情報科学技術フォーラム講演論文集（FIT2023） Vol. 第3分冊 p. 207-210 2023/09
状態ベクトルに基づく並列量子回路シミュレーションにおける量子ビット交換の削減のための演算スケジューリング
寺西勇裕, 置田真生, 伊野文彦
情報処理学会研究報告 Vol. 2023-HPC-190 p. 1-11 2023/08
A Synergy between On- and Off-Chip Data Reuse for GPU-based Out-of-Core Stencil Computation.
Jingcheng Shen, Linbo Long, Jun Zhang, Weiqi Shen, Masao Okita, Fumihiko Ino
CoRR Vol. abs/2309.08864 2023
量子回路の反復シミュレーションにおける実行パスの集約による重複計算の排除
青山昂生, 置田真生, 伊野文彦
情報処理学会研究報告 Vol. 2022-QS-7 p. 1-8 2022/10
Forループの並列化可能性の判定における穴埋め言語学習の応用
西村佳, 置田真生, 伊野文彦
情報処理学会研究報告 Vol. 2022-HPC-185 p. 1-9 2022/07
ニューラルアーキテクチャ探索におけるガウス過程回帰の精度向上のためのバギング手法
羽田遼音, 置田真生, 伊野文彦
電子情報通信学会技術研究報告 Vol. IBISML2022-2 p. 6-13 2022/06
汎用神経回路シミュレータNESTのGPUによる高速化の検討
寺西勇裕, 置田真生, 伊野文彦
電子情報通信学会2022総合大会講演論文集 Vol. D-6-8 p. 47-47 2022/03
Compression-Based Optimizations for Out-of-Core GPU Stencil Computation.
Jingcheng Shen, Xin Deng, Yifan Wu, Masao Okita, Fumihiko Ino
CoRR Vol. abs/2204.11315 2022
ニューロンの球面クラスタリングによる深層ニューラルネットワークモデル圧縮
坂本慎, 置田真生, 伊野文彦
電子情報通信学会技術研究報告 Vol. NC2021-22 2021/10 Research paper, summary (national, other academic conference)
Accelerating GPU-Based Out-of-Core Stencil Computation with On-the-Fly Compression.
Jingcheng Shen, Yifan Wu, Masao Okita, Fumihiko Ino
CoRR Vol. abs/2109.05410 2021
MPIプログラムにおける遅延挿入による不規則な多対多通信の効率化
山田広俊, 置田真生, 伊野文彦
情報処理学会研究報告 Vol. 2020-HPC-177 2020/12 Research paper, summary (national, other academic conference)
Apache Sparkにおける再計算の暗黙的な省略を考慮した性能予測
井上達博, 置田真生, 伊野文彦
情報処理学会研究報告, 2019-OS-150 2020
ヒトゲノム表現型解析におけるビット並列探索およびプロセス並列処理による高速化
宮本悠一朗, 置田真生, 伊野文彦
電子情報通信学会技術研究報告 2019
Apache Sparkにおけるデータ依存グラフ解析に基づくメモリ内キャッシュ置換手法
那須敦也, 置田真生, 伊野文彦
情報処理学会研究報告 2019
GPUプログラムにおける静的参照関係を表すハイパーグラフの分割を用いた参照効率のよいデータ配置
比嘉慎哉, 置田真生, 萩原兼一, 伊野文彦
情報処理学会研究報告 2019
対称巡回セールスマン問題に対するHeld-Karpアルゴリズムの高速化
木村和郎, 比嘉慎哉, 置田真生, 伊野文彦
電子情報通信学会技術研究報告 2018
並列プログラム自動生成におけるベクトル計算機向けメモリ参照効率化のための間接参照の削減
石田祐二郎, 置田真生, 伊野文彦, 萩原兼一
電子情報通信学会技術研究報告 2018
Apache Spark におけるデータ依存グラフに基づくメモリ内キャッシュの指示および置換
米尾謙史, 置田真生, 伊野文彦
情報処理学会研究報告 2018
グラフ分割ライブラリMETISとリストスケジューリングを応用した負荷分散の改善
西川直樹, 置田真生, 萩原兼一
情報処理学会研究報告 2017
Apache SparkのGPU利用における冗長なデータ転送の回避
浅井崚, 置田真生, 萩原兼一
電子情報通信学会技術研究報告 2017
数式の依存グラフを仕様とする OpenMP プログラムのメモリ参照効率向上
角田優貴, 置田真生, 萩原兼一
情報処理学会研究報告 2016
生体シミュレーションサービスFlint K3における高性能計算に向けて
永井美穂, 置田真生, 安部武志, 浅井義之, 北野宏明, 萩原兼一
情報処理学会第77回全国大会講演論文集 2015
大規模生体モデルを対象とする Flint シミュレーションコードの並列生成
中村亜希, 吉川禎, 置田真生, 萩原兼一
平成26年度情報処理学会関西支部支部大会講演論文集 2014
Partitioning Hierarchical Dependency Graph for Accelerating Parallel Simulation of General Biophysical Models.
Tadashi Yoshikawa, Aki Nakamura, Masao Okita, Takeshi Abe, Yoshiyuki Asai, Hiroaki Kitano, Taishin Nomura, Kenichi Hagihara
IPSJ SIG Notes Vol. 2014 No. 17 p. 1-7 2014
Publisher: Information Processing Society of Japan (IPSJ)
Efficient data transfer between CPU and GPU for large-scale biophysical simulation on GPU cluster
Yuichi Ogoshi, Masao Okita, Takeshi Abe, Yoshiyuki Asai, Hiroaki Kitano, Kenichi Hagihara
IPSJ SIG Notes Vol. 2013 No. 31 p. 1-7 2013
Publisher: Information Processing Society of Japan (IPSJ)
MapReduceによるツイート要望・対応策マッチング
寺田悠, 置田真生, 萩原兼一
情報処理学会第75回全国大会講演論文集 2013
並列生体シミュレータinsilicoSimにおけるエージェント割当手法
Fukui Nobuya, Okuyama Tomohiro, Okita Masao, Abe Takeshi, Asai Yoshiyuki, Nomura Taishin, Hagihara Kenichi
電子情報通信学会大会講演論文集 Vol. 2012 No. 1 p. 67-67 2012/03/06
Publisher: The Institute of Electronics, Information and Communication Engineers
大量データに対するSHA-1計算のSSEによるスループット向上の検討
坪内佑樹, 置田真生, 伊野文彦, 萩原兼一
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論文集 Vol. 2012 p. 77-77 2012/01/17
Hadoopの性能ボトルネックを特定するための実行トレース可視化ツール
古谷達朗, 置田真生, 萩原兼一
平成24年度情報処理学会関西支部支部大会講演論文集 Vol. 2012 2012
重複排除ストレージにおけるSHA-1計算のSSEによるスループット向上手法
坪内佑樹, 置田真生, 伊野文彦, 山川聡, 柏木岳彦, 萩原兼一
情報処理学会研究報告 2012
In sillico 1次視覚野神経回路
津崎圭亮, 鳥野翔太, 岡本達秀, 置田真生, 萩原兼一, 野村泰伸, 林田祐樹, 八木哲也
バイオエンジニアリング講演会論文集 2012
異種混合生体シミュレータinsilicoSimの自動並列化
置田真生, 奥山倫弘, 福井伸弥, 松井龍, 安部武志, Eric Heien, 浅井義之, 野村泰伸, 萩原兼一
バイオエンジニアリング講演会論文集 2012
Focusing on dependencies in biophysical models to improve scheduling in insilicoSim
Ryu Matsui, Tomohiro Okuyama, Masao Okita, Takeshi Abe, Yoshiyuki Asai, Taishin Nomura, Kenichi Hagihara
No. 2011 2011/09/22
Accelerating General and Heterogeneous Biophysical Simulation Using the GPU Interpreter for Solving ODEs
Proceedings of the 4th Global COE International Symposium on Physiome and Systems Biology for Integrated Life Sciences and Predictive Medicine 2011
Accelerating Interpreter of GeneralBiophysical Simulatior `insilicoSim' on the GPU
Tomohiro Okuyama, Masao Okita, Takeshi Abe, Yoshiyuki Asai, Taishin Nomura, Kenichi Hagihara
Vol. 2011 No. 9 p. 1-8 2011
A study of MapReduce task design guidelines for implementing sequential pattern mining
Yuki Inoue, Masao Okita, Kenichi Hagihara
Vol. 2011 No. 62 p. 1-7 2011
MapReduce Implementation in Python for multiple Parallel Computing Environments
TAKATA YUSUKE, HEIEN ERIC, OKITA MASAO, HAGIHARA KENICHI
Vol. 2009-ARC-177 No. 1 p. 1-7 2009
Publisher: 情報処理学会
MPIプログラムの改善可能性を評価するための効率的な実行履歴の生成
神戸友樹, 置田真生, 伊野文彦, 萩原兼一
情報処理学会研究報告 Vol. 2004-EVA-8, pp.1-6 2004
MPIプログラムにおける大規模な実行履歴生成の検討
置田真生, 伊野文彦, 萩原兼一
情報処理学会研究報告 Vol. 2004-HPC-98, pp.19-24 2004
Apache SparkのGPU利用における効率的なデータ転送の検討
浅井崚, 置田真生, 萩原兼一
Proceedings of the 1st Cross-disciplinary Workshop on Computing Systems, Infrastructures, and Programming (xSIG 2017) 2017
並列分散処理基盤 Apache Spark における系譜つき中間データに対する効果的なメモリ内 キャッシュ指示の検討
米尾謙史, 置田真生, 萩原兼一
第 16 回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論文集(HPCS 2016) 2016
A versatile platform for multilevel modeling of physiological systems: Template/instance framework for large-scale modeling and simulation
Yoshiyuki Asai, Takeshi Abe, Hideki Oka, Masao Okita, Tomohiro Okuyama, Ken-ichi Hagihara, Samik Ghosh, Yukiko Matsuoka, Yoshihisa Kurachi, Hrioaki Kitano
Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'13) 2013
Towards massively parallel general biophysical simulation on the K computer
Poster in the 2nd HD Physiology International Symposium 2013 2013
MapReduce を用いたグラフアプリケーションにおける重複メッセージの排除による高速化
黒松信行, 置田真生, 萩原兼一
第11回先進的計算基盤システムシンポジウム論文集 2013
Accelerating General and Heterogeneous Biophysical Simulations Using the GPU
Poster in the 4th GPU Technology Conference (GTC 2013), 2013
生体モデルにおける数式の類似性に着目したOpenMPによる並列シミュレーションの検討
吉川禎, 奥山倫弘, 置田真生, 浅井義之, 安部武志, 野村泰伸, 八木哲也, 萩原兼一
先進的計算基盤システムシンポジウム論文集 2012/05/09
Evolving fault-tolerance in Hadoop with robust auto-recovering JobTracker
Nobuyuki Kuromatsu, Masao Okita, Kenichi Hagihara
Proceedings of the 3rd International Conference on Networking and Computing (ICNC 2012) 2012
A platform for multilevel modeling of physiological systems: Template and instance framework for large scale models
浅井義之, 安部武志, 岡秀樹, 置田真生, 萩原兼一, 松岡由希子, Samik Ghosh, 倉智嘉久, 北野宏明
生体医工学シンポジウム2012 2012
Multilevel Modeling of Physiological Systems and Simulation Platform: PhysioDesigner, Flint and Flint K3 Service.
Yoshiyuki Asai, Takeshi Abe, Masao Okita, Tomohiro Okuyama, Nobukazu Yoshioka, Shigetoshi Yokoyama, Masaru Nagaku, Kenichi Hagihara, Hiroaki Kitano
Proceedings of the 12th IEEE/IPSJ International Symposium on Applications and the Internet (SAINT 2012) 2012
A Study of fault tolerance techniques for the JobTracker in Hadoop
Nobuyuki Kuromatsu, Masao Okita, Kenichi Hagihara
2011
An open platform toward large-scale multilevel modeling and simulation of physiological systems
Yoshiyuki Asai, Hideki Oka, Takeshi Abe, Masao Okita, Ken-Ichi Hagihara, Taishin Nomura, Hiroaki Kitano
Proceedings - 11th IEEE/IPSJ International Symposium on Applications and the Internet, SAINT 2011 2011
A multi-GPU spectrometer system for real-time wide bandwidth radio signal analysis
Hirofumi Kondo, Eric Heien, Masao Okita, Dan Werthimer, Kenichi Hagihara
Proceedings of the 8th International Symposium on Parallel and Distributed Processing with Applications (ISPA 2010) 2010
Insilicosim: An extendable engine for parallel heterogeneous biophysical simulations
Eric M. Heien, Masao Okita, Yoshiyuki Asai, Taishin Nomura, Kenichi Hagihara
SIMUTools 2010 - 3rd International ICST Conference on Simulation Tools and Techniques 2010
Large-Scale Trace Generation for Performance Analysis of Message Passing Parallel Programs
2006
PerWiz: A What-If Prediction Tool for Tuning Message Passing Programs
Fumihiko Ino, Yuki Kanbe, Masao Okita, Kenichi Hagihara
Proceedings of the 6th International Conference on High Performance Computing for Computational Science (VECPAR 2004) 2004
A Performance Prediction Tool for Evaluating Potential Improvement of Message Passing Programs
2003
Developing Performance Prediction Tools for Cluster Computing: Research Activities at Hokuriku IT Open Laboratory
Yasuharu Mizutani, Fumihiko Ino, Yuki Kanbe, Masao Okita, Kenichi Hagihara
Proceedings of the 1st International Symposium on Towards Peta-Bit Ultra-Networks (PBit 2003) 2003
Debugging Tool for Localizing Fault Processes in Message Passing Programs
Masao Okita, Fumihiko Ino, Kenichi Hagihara
Proceedings of the 5th International Workshop on Automated and Algorithmic Debugging (AADEBUG 2003) 2003
MPI-PreDebugger: A Debugging Support Tool for Message-Passing Parallel Programs via Communication Dependency Analysis
OKITA MASAO, INO FUMIHIKO, FUJIMOTO NORIYUKI, HAGIHARA KENICHI
2002
ソーシャルネットワークインターフェイスを使用した汎用シミュレーションシステム
浅井 義之, 安部 武志, 北野 宏明, 置田 真生, サミック ゴーシュ, 松岡 由希子
特許第5822414号
出願日:2013/07/11
登録日:2015/10/16
大規模なメッセージ通信並列プログラムに対する実行履歴の生成およびデバック支援
置田 真生
