Kazuhiko Komatsu

77 papers A 2B 2C 11Misc 2Journal 19Unranked 40

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	An analysis of memory access patterns in RISC-V vector workloads on heterogeneous memory architectures. SCA/HPC Asia Workshops Ryo Yokoyama, Masahito Kumagai, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2025	—	`conf`	A Compressed QUBO Format for Traveling Salesperson Problems. IPDPS (Workshops) Chu-Yuan Huang, Kazuhiko Komatsu, Makoto Onoda, Masahito Kumagai, Masayuki Sato, Hiroaki Kobayashi
2025	J	`jnl`	Adaptive Parallelization Based on Frame-Level and Tile-Level Parallelisms for VVC Encoding. Concurr. Comput. Pract. Exp. Karin Onouchi, Masayuki Sato, Hiroe Iwasaki, Kazuhiko Komatsu, Hiroaki Kobayashi
2025	—	`conf`	Classification of Three-dimensional Electron Diffraction Data with a Large Language Model. SC Workshops Kazuyuki Yasuda, Masahito Kumagai, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2025	—	`conf`	Disaster Rescue Resource Allocation Based on the Ising Model. MCSoC Kosei Nakamoto, Masahito Kumagai, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2025	C	`conf`	Performance Evaluation of Vector Annealing on Multiple Nodes Using the Traveling Salesperson Problem. ISC Makoto Onoda, Kazuhiko Komatsu, Kotaro Bannai, Shintaro Momose, Masayuki Sato, Hiroaki Kobayashi
2024	—	`conf`	A Graph-based Molecular Structure Identification Method via Feature Extraction for Three-dimensional Electron Diffraction Data. CANDARW Yusuke Fukasawa, Kazuhiko Komatsu, Masayuki Sato, Saori Maki-Yonekura, Hirofumi Kurokawa, Koji Yonekura, Hiroaki Kobayashi
2024	—	`conf`	Adaptive Parallelization based on Frame-level and Tile-level Parallelisms for VVC Encoding. CANDAR Karin Onouchi, Masayuki Sato, Hiroe Iwasaki, Kazuhiko Komatsu, Hiroaki Kobayashi
2024	—	`conf`	An Asymptotic Parallel Linear Solver and Its Application to Direct Numerical Simulation for Compressible Turbulence. ICCS (2) Mitsuo Yokokawa, Taiki Matsumoto, Ryo Takegami, Yukiya Sugiura, Naoki Watanabe, Yoshiki Sakurai, Takashi Ishihara, Kazuhiko Komatsu, Hiroaki Kobayashi
2024	—	`conf`	An Ising-based Decision Method for Intra Prediction Mode in Video Coding. SC Workshops Takuto Momominami, Naoya Niwa, Masahito Kumagai, Kazuhiko Komatsu, Hiroaki Kobayashi, Hiroe Iwasaki
2024	—	`conf`	File I/O Cache Performance of Supercomputer Fugaku Using an Out-of-Core Direct Numerical Simulation Code of Turbulence. ICCS (6) Yuto Hatanaka, Yuki Yamane, Kenta Yamaguchi, Takashi Soga, Akihiro Musa, Takashi Ishihara, Atsuya Uno, Kazuhiko Komatsu, Hiroaki Kobayashi, Mitsuo Yokokawa
2023	—	`conf`	A Constraint Partition Method for Combinatorial Optimization Problems. MCSoC Makoto Onoda, Kazuhiko Komatsu, Masahito Kumagai, Masayuki Sato, Hiroaki Kobayashi
2023	J	`jnl`	A dynamic parameter tuning method for SpMM parallel execution. Concurr. Comput. Pract. Exp. Bin Qi, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2023	—	`conf`	Appropriate Graph-Algorithm Selection for Edge Devices Using Machine Learning. MCSoC Yusuke Fukasawa, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2023	—	`conf`	I/O Performance Evaluation of a Memory-Saving DNS Code on SX-Aurora TSUBASA. IPDPS Workshops Mitsuo Yokokawa, Yuki Yamane, Kenta Yamaguchi, Takashi Soga, Taiki Matsumoto, Akihiro Musa, Kazuhiko Komatsu, Takashi Ishihara, Hiroaki Kobayashi
2023	Misc	`conf`	Investigating the Characteristics of Ising Machines. QCE Kazuhiko Komatsu, Makoto Onoda, Masahito Kumagai, Hiroaki Kobayashi
2023	J	`jnl`	Ising-Based Kernel Clustering. Algorithms Masahito Kumagai, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2023	C	`conf`	Multi-scale Loss based Electron Microscopic Image Pair Matching Method. ICMLA Chunting Duan, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2023	—	`conf`	Performance Evaluation of Tsunami Evacuation Route Planning on Multiple Annealing Machines. CF Yihui Liu, Kazuhiko Komatsu, Masahito Kumagai, Masayuki Sato, Hiroaki Kobayashi
2022	J	`jnl`	A Metadata Prefetching Mechanism for Hybrid Memory Architectures. IEICE Trans. Electron. Shunsuke Tsukada, Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2022	C	`conf`	A Partitioned Memory Architecture with Prefetching for Efficient Video Encoders. PDCAT Masayuki Sato, Yuya Omori, Ryusuke Egawa, Ken Nakamura, Daisuke Kobayashi, Hiroe Iwasaki, Kazuhiko Komatsu, Hiroaki Kobayashi
2022	C	`conf`	Analysis of Precision Vectors for Ising-Based Linear Regression. PDCAT Kaho Aoyama, Kazuhiko Komatsu, Masahito Kumagai, Hiroaki Kobayashi
2022	—	`conf`	High-Performance GraphBLAS Backend Prototype for NEC SX-Aurora TSUBASA. IPDPS Workshops Ilya V. Afanasyev, Kazuhiko Komatsu, Dmitry I. Lichmanov, Vadim V. Voevodin, Hiroaki Kobayashi
2022	—	`conf`	Page-Address Coalescing of Vector Gather Instructions for Efficient Address Translation. IA3@SC Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2021	—	`conf`	A Metadata Prefetching Mechanism for Hybrid Memory Architectures. COOL CHIPS Shunsuke Tsukada, Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2021	—	`conf`	A Processor Selection Method based on Execution Time Estimation for Machine Learning Programs. IPDPS Workshops Kou Murakami, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2021	J	`jnl`	An External Definition of the One-Hot Constraint and Fast QUBO Generation for High-Performance Combinatorial Clustering. Int. J. Netw. Comput. Masahito Kumagai, Kazuhiko Komatsu, Fumiyo Takano, Takuya Araki, Masayuki Sato, Hiroaki Kobayashi
2021	—	`conf`	An Externally-Constrained Ising Clustering Method for Material Informatics. CANDAR (Workshops) Kazuhiko Komatsu, Masahito Kumagai, Ji Qi, Masayuki Sato, Hiroaki Kobayashi
2021	J	`jnl`	Distributed Graph Algorithms for Multiple Vector Engines of NEC SX-Aurora TSUBASA Systems. Supercomput. Front. Innov. Ilya V. Afanasyev, Vadim V. Voevodin, Kazuhiko Komatsu, Hiroaki Kobayashi
2021	J	`jnl`	Efficient Mixed-Precision Tall-and-Skinny Matrix-Matrix Multiplication for GPUs. Int. J. Netw. Comput. Hao Tang, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2021	—	`conf`	Ising-Based Combinatorial Clustering Using the Kernel Method. MCSoC Masahito Kumagai, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2021	—	`conf`	Optimizations of a Linear Matrix Solver in a Composite Simulation for a Vector Computer. PAAP Zhilin He, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2021	J	`jnl`	Optimizing Load Balance in a Parallel CFD Code for a Large-scale Turbine Simulation on a Vector Supercomputer. Supercomput. Front. Innov. Osamu Watanabe, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2021	J	`jnl`	Performance and Power Analysis of a Vector Computing System. Supercomput. Front. Innov. Kazuhiko Komatsu, Akito Onodera, Erich Focht, Soya Fujimoto, Yoko Isobe, Shintaro Momose, Masayuki Sato, Hiroaki Kobayashi
2021	C	`conf`	Register Flush-free Runahead Execution for Modern Vector Processors. SBAC-PAD Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2021	J	`jnl`	VGL: a high-performance graph processing framework for the NEC SX-Aurora TSUBASA vector architecture. J. Supercomput. Ilya V. Afanasyev, Vladimir V. Voevodin, Kazuhiko Komatsu, Hiroaki Kobayashi
2020	—	`conf`	A Deep Reinforcement Learning Based Feature Selector. PAAP Yiran Cheng, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2020	C	`conf`	A Dynamic Parameter Tuning Method for High Performance SpMM. PDCAT Bin Qi, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2020	—	`conf`	An Efficient Skinny Matrix-Matrix Multiplication Method by Folding Input Matrices into Tensor Core Operations. CANDAR (Workshops) Hao Tang, Kazuhiko Komatsu, Masayuki Sato, Hiroaki Kobayashi
2020	—	`conf`	Combinatorial Clustering Based on an Externally-Defined One-Hot Constraint. CANDAR Masahito Kumagai, Kazuhiko Komatsu, Fumiyo Takano, Takuya Araki, Masayuki Sato, Hiroaki Kobayashi
2020	—	`conf`	Energy-efficient Design of an STT-RAM-based Hybrid Cache Architecture. COOL CHIPS Masayuki Sato, Xue Hao, Kazuhiko Komatsu, Hiroaki Kobayashi
2020	—	`conf`	I/O Performance of the SX-Aurora TSUBASA. IPDPS Workshops Mitsuo Yokokawa, Ayano Nakai, Kazuhiko Komatsu, Yuta Watanabe, Yasuhisa Masaoka, Yoko Isobe, Hiroaki Kobayashi
2020	—	`conf`	Importance of Selecting Data Layouts in the Tsunami Simulation Code. IPDPS Workshops Takumi Kishitani, Kazuhiko Komatsu, Masayuki Sato, Akihiro Musa, Hiroaki Kobayashi
2020	—	`conf`	Optimization of the Himeno Benchmark for SX-Aurora TSUBASA. Bench Akito Onodera, Kazuhiko Komatsu, Soya Fujimoto, Yoko Isobe, Masayuki Sato, Hiroaki Kobayashi
2020	—	`conf`	Workshop 14: iWAPT Automatic Performance Tuning. IPDPS Workshops I-Hsin Chung, Kazuhiko Komatsu
2020	J	`jnl`	Xevolver: A code transformation framework for separation of system-awareness from application codes. Concurr. Comput. Pract. Exp. Kazuhiko Komatsu, Ayumu Gomi, Ryusuke Egawa, Daisuke Takahashi, Reiji Suda, Hiroyuki Takizawa
2019	—	`conf`	A Hardware Prefetching Mechanism for Vector Gather Instructions. IA3@SC Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2019	J	`jnl`	A Skewed Multi-banked Cache for Many-core Vector Processors. Supercomput. Front. Innov. Hikaru Takayashiki, Masayuki Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2019	—	`conf`	An Appropriate Computing System and Its System Parameters Selection Based on Bottleneck Prediction of Applications. IPDPS Workshops Kazuhiko Komatsu, Takumi Kishitani, Masayuki Sato, Hiroaki Kobayashi
2019	B	`conf`	Analysis of Relationship Between SIMD-Processing Features Used in NVIDIA GPUs and NEC SX-Aurora TSUBASA Vector Processors. PaCT Ilya V. Afanasyev, Vadim V. Voevodin, Vladimir V. Voevodin, Kazuhiko Komatsu, Hiroaki Kobayashi
2019	—	`conf`	Optimizing Memory Layout of Hyperplane Ordering for Vector Supercomputer SX-Aurora TSUBASA. MCHPC@SC Osamu Watanabe, Yuta Hougi, Kazuhiko Komatsu, Masayuki Sato, Akihiro Musa, Hiroaki Kobayashi
2019	—	`conf`	Perceptron-based Cache Bypassing for Way-Adaptable Caches. COOL CHIPS Masayuki Sato, Yongcheng Chen, Haruya Kikuchi, Kazuhiko Komatsu, Hiroaki Kobayashi
2019	J	`jnl`	Performance Evaluation of Different Implementation Schemes of an Iterative Flow Solver on Modern Vector Machines. Supercomput. Front. Innov. Kenta Yamaguchi, Takashi Soga, Yoichi Shimomura, Thorsten Reimann, Kazuhiko Komatsu, Ryusuke Egawa, Akihiro Musa, Hiroyuki Takizawa, Hiroaki Kobayashi
2019	—	`conf`	Performance Evaluation of Tsunami Inundation Simulation on SX-Aurora TSUBASA. ICCS (2) Akihiro Musa, Takashi Abe, Takumi Kishitani, Takuya Inoue, Masayuki Sato, Kazuhiko Komatsu, Yoichi Murashima, Shunichi Koshimura, Hiroaki Kobayashi
2018	J	`jnl`	Developing Efficient Implementations of Bellman-Ford and Forward-Backward Graph Algorithms for NEC SX-ACE. Supercomput. Front. Innov. Ilya V. Afanasyev, Alexander S. Antonov, Dmitry A. Nikitenko, Vadim V. Voevodin, Vladimir V. Voevodin, Kazuhiko Komatsu, Osamu Watanabe, Akihiro Musa, Hiroaki Kobayashi
2018	A	`conf`	Performance evaluation of a vector supercomputer SX-aurora TSUBASA. SC Kazuhiko Komatsu, Shintaro Momose, Yoko Isobe, Osamu Watanabe, Akihiro Musa, Mitsuo Yokokawa, Toshikazu Aoyama, Masayuki Sato, Hiroaki Kobayashi
2018	—	`conf`	Search Space Reduction for Parameter Tuning of a Tsunami Simulation on the Intel Knights Landing Processor. MCSoC Kazuhiko Komatsu, Takumi Kishitani, Masayuki Sato, Akihiro Musa, Hiroaki Kobayashi
2018	—	`conf`	Use of Code Structural Features for Machine Learning to Predict Effective Optimizations. IPDPS Workshops Yuki Kawarabatake, Mulya Agung, Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa
2017	J	`jnl`	A Directive Generation Approach to High Code-Maintainability for Various HPC Systems. Int. J. Netw. Comput. Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
2017	Misc	`conf`	A Memory Congestion-Aware MPI Process Placement for Modern NUMA Systems. HiPC Mulya Agung, Muhammad Alfian Amrizal, Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa
2017	—	`conf`	An Application-Level Incremental Checkpointing Mechanism with Automatic Parameter Tuning. CANDAR Hiroyuki Takizawa, Muhammad Alfian Amrizal, Kazuhiko Komatsu, Ryusuke Egawa
2017	—	`conf`	Designing an Open Database of System-Aware Code Optimizations. CANDAR Ryusuke Egawa, Kazuhiko Komatsu, Hiroyuki Takizawa
2017	C	`conf`	Performance and Power Analysis of SX-ACE Using HP-X Benchmark Programs. CLUSTER Ryusuke Egawa, Kazuhiko Komatsu, Yoko Isobe, Toshihiro Kato, Souya Fujimoto, Hiroyuki Takizawa, Akihiro Musa, Hiroaki Kobayashi
2017	J	`jnl`	Potential of a modern vector supercomputer for practical applications: performance evaluation of SX-ACE. J. Supercomput. Ryusuke Egawa, Kazuhiko Komatsu, Shintaro Momose, Yoko Isobe, Akihiro Musa, Hiroyuki Takizawa, Hiroaki Kobayashi
2017	C	`conf`	Vectorization-Aware Loop Optimization with User-Defined Code Transformations. CLUSTER Hiroyuki Takizawa, Thorsten Reimann, Kazuhiko Komatsu, Takashi Soga, Ryusuke Egawa, Akihiro Musa, Hiroaki Kobayashi
2016	—	`conf`	A Directive Generation Approach Using User-Defined Rules. CANDAR Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
2016	J	`jnl`	Translation of Large-Scale Simulation Codes for an OpenACC Platform Using the Xevolver Framework. Int. J. Netw. Comput. Kazuhiko Komatsu, Ryusuke Egawa, Shoichi Hirasawa, Hiroyuki Takizawa, Ken'ichi Itakura, Hiroaki Kobayashi
2015	—	`conf`	An energy-efficient dynamic memory address mapping mechanism. COOL Chips Masayuki Sato, Chengguang Han, Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
2015	—	`conf`	Migration of an Atmospheric Simulation Code to an OpenACC Platform Using the Xevolver Framework. CANDAR Kazuhiko Komatsu, Ryusuke Egawa, Shoichi Hirasawa, Hiroyuki Takizawa, Ken'ichi Itakura, Hiroaki Kobayashi
2014	C	`conf`	A Compiler-Assisted OpenMP Migration Method Based on Automatic Parallelizing Information. ISC Kazuhiko Komatsu, Ryusuke Egawa, Hiroyuki Takizawa, Hiroaki Kobayashi
2011	C	`conf`	A History-Based Performance Prediction Model with Profile Data Classification for Automatic Task Allocation in Heterogeneous Computing Systems. ISPA Katsuto Sato, Kazuhiko Komatsu, Hiroyuki Takizawa, Hiroaki Kobayashi
2011	A	`conf`	CheCL: Transparent Checkpointing and Process Migration of OpenCL Applications. IPDPS Hiroyuki Takizawa, Kentaro Koyama, Katsuto Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2010	J	`jnl`	A Fast Ray-Tracing Using Bounding Spheres and Frustum Rays for Dynamic Scene Rendering. IEICE Trans. Inf. Syst. Ken-Ichi Suzuki, Yoshiyuki Kaeriyama, Kazuhiko Komatsu, Ryusuke Egawa, Nobuyuki Ohba, Hiroaki Kobayashi
2010	—	`ch.`	Automatic Tuning of CUDA Execution Parameters for Stencil Processing. Software Automatic Tuning, From Concepts to State-of-the-Art Results Katsuto Sato, Hiroyuki Takizawa, Kazuhiko Komatsu, Hiroaki Kobayashi
2009	C	`conf`	CheCUDA: A Checkpoint/Restart Tool for CUDA Applications. PDCAT Hiroyuki Takizawa, Katsuto Sato, Kazuhiko Komatsu, Hiroaki Kobayashi
2006	B	`conf`	Ray Tracing Hardware System Using Plane-Sphere Intersections. FPL Yoshiyuki Kaeriyama, Daichi Zaitsu, Kazuhiko Komatsu, Ken-Ichi Suzuki, Tadao Nakamura, Nobuyuki Ohba
1987	J	`jnl`	The Outline Procedure in Pattern Data Preparation for Vector-Scan Electron-Beam Lithography. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. Kazuhiko Komatsu, Masanori Suzuki