Kazuhiko Komatsu

Publication Activity (10 Years)

Years Active: 1987-2024
Publications (10 Years): 58

Top Topics

Parameter Tuning

Top Venues

IPDPS Workshops

Supercomput. Front. Innov.

Publications

Yuto Hatanaka, Yuki Yamane, Kenta Yamaguchi, Takashi Soga, Akihiro Musa, Takashi Ishihara, Atsuya Uno, Kazuhiko Komatsu, Hiroaki Kobayashi, Mitsuo Yokokawa
File I/O Cache Performance of Supercomputer Fugaku Using an Out-of-Core Direct Numerical Simulation Code of Turbulence. ICCS (6) (2024)
Mitsuo Yokokawa, Taiki Matsumoto, Ryo Takegami, Yukiya Sugiura, Naoki Watanabe, Yoshiki Sakurai, Takashi Ishihara, Kazuhiko Komatsu, Hiroaki Kobayashi
An Asymptotic Parallel Linear Solver and Its Application to Direct Numerical Simulation for Compressible Turbulence. ICCS (2) (2024)
Kazuhiko Komatsu, Makoto Onoda, Masahito Kumagai, Hiroaki Kobayashi
Investigating the Characteristics of Ising Machines. QCE (2023)
Masahito Kumagai, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
Ising-Based Kernel Clustering. Algorithms 16 (4) (2023)
Bin Qi, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
A dynamic parameter tuning method for SpMM parallel execution. Concurr. Comput. Pract. Exp. 35 (17) (2023)
Yusuke Fukasawa, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
Appropriate Graph-Algorithm Selection for Edge Devices Using Machine Learning. MCSoC (2023)
Makoto Onoda, Kazuhiko Komatsu, Masahito Kumagai, Masayuki Sato, Hiroaki Kobayashi
A Constraint Partition Method for Combinatorial Optimization Problems. MCSoC (2023)
Yihui Liu, Kazuhiko Komatsu, Masahito Kumagai, Masayuki Sato, Hiroaki Kobayashi
Performance Evaluation of Tsunami Evacuation Route Planning on Multiple Annealing Machines. CF (2023)
Chunting Duan, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
Multi-scale Loss based Electron Microscopic Image Pair Matching Method. ICMLA (2023)
Mitsuo Yokokawa, Yuki Yamane, Kenta Yamaguchi, Takashi Soga, Taiki Matsumoto, Akihiro Musa, Kazuhiko Komatsu, Takashi Ishihara, Hiroaki Kobayashi
I/O Performance Evaluation of a Memory-Saving DNS Code on SX-Aurora TSUBASA. IPDPS Workshops (2023)
Masayuki Sato, Yuya Omori, Ryusuke Egawa, Ken Nakamura, Daisuke Kobayashi, Hiroe Iwasaki, Kazuhiko Komatsu, Hiroaki Kobayashi
A Partitioned Memory Architecture with Prefetching for Efficient Video Encoders. PDCAT (2022)
Shunsuke Tsukada, Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
A Metadata Prefetching Mechanism for Hybrid Memory Architectures. IEICE Trans. Electron. (6) (2022)
Ilya V. Afanasyev, Kazuhiko Komatsu, Dmitry I. Lichmanov, Vadim V. Voevodin, Hiroaki Kobayashi
High-Performance GraphBLAS Backend Prototype for NEC SX-Aurora TSUBASA. IPDPS Workshops (2022)
Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
Page-Address Coalescing of Vector Gather Instructions for Efficient Address Translation. IA3@SC (2022)
Kaho Aoyama, Kazuhiko Komatsu, Masahito Kumagai, Hiroaki Kobayashi
Analysis of Precision Vectors for Ising-Based Linear Regression. PDCAT (2022)
Osamu Watanabe, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
Optimizing Load Balance in a Parallel CFD Code for a Large-scale Turbine Simulation on a Vector Supercomputer. Supercomput. Front. Innov. 8 (2) (2021)
Kazuhiko Komatsu, Masahito Kumagai, Ji Qi, Masayuki Sato, Hiroaki Kobayashi
An Externally-Constrained Ising Clustering Method for Material Informatics. CANDAR (Workshops) (2021)
Masahito Kumagai, Kazuhiko Komatsu, Fumiyo Takano, Takuya Araki, Masayuki Sato, Hiroaki Kobayashi
An External Definition of the One-Hot Constraint and Fast QUBO Generation for High-Performance Combinatorial Clustering. Int. J. Netw. Comput. 11 (2) (2021)
Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
Register Flush-free Runahead Execution for Modern Vector Processors. SBAC-PAD (2021)
Kou Murakami, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
A Processor Selection Method based on Execution Time Estimation for Machine Learning Programs. IPDPS Workshops (2021)
Hao Tang, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
Efficient Mixed-Precision Tall-and-Skinny Matrix-Matrix Multiplication for GPUs. Int. J. Netw. Comput. 11 (2) (2021)
Ilya V. Afanasyev, Vladimir V. Voevodin, Kazuhiko Komatsu, Hiroaki Kobayashi
VGL: a high-performance graph processing framework for the NEC SX-Aurora TSUBASA vector architecture. J. Supercomput. 77 (8) (2021)
Zhilin He, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
Optimizations of a Linear Matrix Solver in a Composite Simulation for a Vector Computer. PAAP (2021)
Masahito Kumagai, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
Ising-Based Combinatorial Clustering Using the Kernel Method. MCSoC (2021)
Kazuhiko Komatsu, Akito Onodera, Erich Focht, Soya Fujimoto, Yoko Isobe, Shintaro Momose, Masayuki Sato, Hiroaki Kobayashi
Performance and Power Analysis of a Vector Computing System. Supercomput. Front. Innov. 8 (2) (2021)
Ilya V. Afanasyev, Vadim V. Voevodin, Kazuhiko Komatsu, Hiroaki Kobayashi
Distributed Graph Algorithms for Multiple Vector Engines of NEC SX-Aurora TSUBASA Systems. Supercomput. Front. Innov. 8 (2) (2021)
Shunsuke Tsukada, Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
A Metadata Prefetching Mechanism for Hybrid Memory Architectures. COOL CHIPS (2021)
Mitsuo Yokokawa, Ayano Nakai, Kazuhiko Komatsu, Yuta Watanabe, Yasuhisa Masaoka, Yoko Isobe, Hiroaki Kobayashi
I/O Performance of the SX-Aurora TSUBASA. IPDPS Workshops (2020)
I-Hsin Chung, Kazuhiko Komatsu
Workshop 14: iWAPT Automatic Performance Tuning. IPDPS Workshops (2020)
Masayuki Sato, Xue Hao, Kazuhiko Komatsu, Hiroaki Kobayashi
Energy-efficient Design of an STT-RAM-based Hybrid Cache Architecture. COOL CHIPS (2020)
Kazuhiko Komatsu, Ayumu Gomi, Ryusuke Egawa, Daisuke Takahashi, Reiji Suda, Hiroyuki Takizawa
Xevolver: A code transformation framework for separation of system-awareness from application codes. Concurr. Comput. Pract. Exp. 32 (7) (2020)
Masahito Kumagai, Kazuhiko Komatsu, Fumiyo Takano, Takuya Araki, Masayuki Sato, Hiroaki Kobayashi
Combinatorial Clustering Based on an Externally-Defined One-Hot Constraint. CANDAR (2020)
Yiran Cheng, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
A Deep Reinforcement Learning Based Feature Selector. PAAP (2020)
Akito Onodera, Kazuhiko Komatsu, Souya Fujimoto, Yoko Isobe, Masayuki Sato, Hiroaki Kobayashi
Optimization of the Himeno Benchmark for SX-Aurora TSUBASA. Bench (2020)
Bin Qi, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
A Dynamic Parameter Tuning Method for High Performance SpMM. PDCAT (2020)
Hao Tang, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
An Efficient Skinny Matrix-Matrix Multiplication Method by Folding Input Matrices into Tensor Core Operations. CANDAR (Workshops) (2020)
Takumi Kishitani, Kazuhiko Komatsu, Masayuki Sato, Akihiro Musa, Hiroaki Kobayashi
Importance of Selecting Data Layouts in the Tsunami Simulation Code. IPDPS Workshops (2020)
Kenta Yamaguchi, Takashi Soga, Yoichi Shimomura, Thorsten Reimann, Kazuhiko Komatsu, Ryusuke Egawa, Akihiro Musa, Hiroyuki Takizawa, Hiroaki Kobayashi
Performance Evaluation of Different Implementation Schemes of an Iterative Flow Solver on Modern Vector Machines. Supercomput. Front. Innov. 6 (1) (2019)
Masayuki Sato, Yongcheng Chen, Haruya Kikuchi, Kazuhiko Komatsu, Hiroaki Kobayashi
Perceptron-based Cache Bypassing for Way-Adaptable Caches. COOL CHIPS (2019)
Osamu Watanabe, Yuta Hougi, Kazuhiko Komatsu, Masayuki Sato, Akihiro Musa, Hiroaki Kobayashi
Optimizing Memory Layout of Hyperplane Ordering for Vector Supercomputer SX-Aurora TSUBASA. MCHPC@SC (2019)
Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
A Hardware Prefetching Mechanism for Vector Gather Instructions. IA3@SC (2019)
Ilya V. Afanasyev, Vadim V. Voevodin, Vladimir V. Voevodin, Kazuhiko Komatsu, Hiroaki Kobayashi
Analysis of Relationship Between SIMD-Processing Features Used in NVIDIA GPUs and NEC SX-Aurora TSUBASA Vector Processors. PaCT (2019)
Akihiro Musa, Takashi Abe, Takumi Kishitani, Takuya Inoue, Masayuki Sato, Kazuhiko Komatsu, Yoichi Murashima, Shunichi Koshimura, Hiroaki Kobayashi
Performance Evaluation of Tsunami Inundation Simulation on SX-Aurora TSUBASA. ICCS (2) (2019)
Kazuhiko Komatsu, Takumi Kishitani, Masayuki Sato, Hiroaki Kobayashi
An Appropriate Computing System and Its System Parameters Selection Based on Bottleneck Prediction of Applications. IPDPS Workshops (2019)
Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
A Skewed Multi-banked Cache for Many-core Vector Processors. Supercomput. Front. Innov. 6 (3) (2019)
Yuki Kawarabatake, Mulya Agung, Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa
Use of Code Structural Features for Machine Learning to Predict Effective Optimizations. IPDPS Workshops (2018)
Kazuhiko Komatsu, Shintaro Momose, Yoko Isobe, Osamu Watanabe, Akihiro Musa, Mitsuo Yokokawa, Toshikazu Aoyama, Masayuki Sato, Hiroaki Kobayashi
Performance evaluation of a vector supercomputer SX-aurora TSUBASA. SC (2018)
Ilya V. Afanasyev, Alexander S. Antonov, Dmitry A. Nikitenko, Vadim V. Voevodin, Vladimir V. Voevodin, Kazuhiko Komatsu, Osamu Watanabe, Akihiro Musa, Hiroaki Kobayashi
Developing Efficient Implementations of Bellman-Ford and Forward-Backward Graph Algorithms for NEC SX-ACE. Supercomput. Front. Innov. 5 (3) (2018)
Kazuhiko Komatsu, Takumi Kishitani, Masayuki Sato, Akihiro Musa, Hiroaki Kobayashi
Search Space Reduction for Parameter Tuning of a Tsunami Simulation on the Intel Knights Landing Processor. MCSoC (2018)
Ryusuke Egawa, Kazuhiko Komatsu, Hiroyuki Takizawa
Designing an Open Database of System-Aware Code Optimizations. CANDAR (2017)
Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
A Directive Generation Approach to High Code-Maintainability for Various HPC Systems. Int. J. Netw. Comput. 7 (2) (2017)
Ryusuke Egawa, Kazuhiko Komatsu, Yoko Isobe, Toshihiro Kato, Souya Fujimoto, Hiroyuki Takizawa, Akihiro Musa, Hiroaki Kobayashi
Performance and Power Analysis of SX-ACE Using HP-X Benchmark Programs. CLUSTER (2017)
Mulya Agung, Muhammad Alfian Amrizal, Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa
A Memory Congestion-Aware MPI Process Placement for Modern NUMA Systems. HiPC (2017)
Ryusuke Egawa, Kazuhiko Komatsu, Shintaro Momose, Yoko Isobe, Akihiro Musa, Hiroyuki Takizawa, Hiroaki Kobayashi
Potential of a modern vector supercomputer for practical applications: performance evaluation of SX-ACE. J. Supercomput. 73 (9) (2017)
Hiroyuki Takizawa, Thorsten Reimann, Kazuhiko Komatsu, Takashi Soga, Ryusuke Egawa, Akihiro Musa, Hiroaki Kobayashi
Vectorization-Aware Loop Optimization with User-Defined Code Transformations. CLUSTER (2017)
Hiroyuki Takizawa, Muhammad Alfian Amrizal, Kazuhiko Komatsu, Ryusuke Egawa
An Application-Level Incremental Checkpointing Mechanism with Automatic Parameter Tuning. CANDAR (2017)
Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
A Directive Generation Approach Using User-Defined Rules. CANDAR (2016)
Kazuhiko Komatsu, Ryusuke Egawa, Shoichi Hirasawa, Hiroyuki Takizawa, Ken'ichi Itakura, Hiroaki Kobayashi
Translation of Large-Scale Simulation Codes for an OpenACC Platform Using the Xevolver Framework. Int. J. Netw. Comput. 6 (2) (2016)
Masayuki Sato, Chengguang Han, Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
An energy-efficient dynamic memory address mapping mechanism. COOL Chips (2015)
Kazuhiko Komatsu, Ryusuke Egawa, Shoichi Hirasawa, Hiroyuki Takizawa, Ken'ichi Itakura, Hiroaki Kobayashi
Migration of an Atmospheric Simulation Code to an OpenACC Platform Using the Xevolver Framework. CANDAR (2015)
Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
A Compiler-Assisted OpenMP Migration Method Based on Automatic Parallelizing Information. ISC (2014)
Katsuto Sato, Kazuhiko Komatsu, Hiroyuki Takizawa, Hiroaki Kobayashi
A History-Based Performance Prediction Model with Profile Data Classification for Automatic Task Allocation in Heterogeneous Computing Systems. ISPA (2011)
Hiroyuki Takizawa, Kentaro Koyama, Katsuto Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
CheCL: Transparent Checkpointing and Process Migration of OpenCL Applications. IPDPS (2011)
Ken-ichi Suzuki, Yoshiyuki Kaeriyama, Kazuhiko Komatsu, Ryusuke Egawa, Nobuyuki Ohba, Hiroaki Kobayashi
A Fast Ray-Tracing Using Bounding Spheres and Frustum Rays for Dynamic Scene Rendering. IEICE Trans. Inf. Syst. (4) (2010)
Hiroyuki Takizawa, Katsuto Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
CheCUDA: A Checkpoint/Restart Tool for CUDA Applications. PDCAT (2009)
Yoshiyuki Kaeriyama, Daichi Zaitsu, Kazuhiko Komatsu, Ken-ichi Suzuki, Tadao Nakamura, Nobuyuki Ohba
Ray Tracing Hardware System Using Plane-Sphere Intersections. FPL (2006)
Kazuhiko Komatsu, Masanori Suzuki
The Outline Procedure in Pattern Data Preparation for Vector-Scan Electron-Beam Lithography. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 6 (1) (1987)