Ryohei Kobayashi

45 papers B 3C 8Misc 1Journal 7Unranked 26

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	Accelerating Deep Learning Inference with a Parallel FPGA System. HEART Takumi Suzuki, Ryohei Kobayashi, Norihisa Fujita, Taisuke Boku
2025	C	`conf`	Accelerating General Relativistic Radiation Magnetohydrodynamic Simulations with GPUs. HPC Asia Ryohei Kobayashi, Hiroyuki R. Takahashi, Akira Nukada, Yuta Asahina, Taisuke Boku, Ken Ohsuga
2025	J	`jnl`	Enabling Dynamic Approximate Computing for HPC Applications. J. Inf. Process. Yasutaka Wada, Yoshiyuki Morie, Ryohei Kobayashi, Ryuichi Sakamoto
2025	—	`conf`	Evaluation of Trade-Off Between Compression Ratio and Hardware Cost for Adaptive Bandwidth Compression Hardware Platform. COOL CHIPS Tomohiro Ueno, Kaito Kitazume, Masato Kiyama, Kazutomo Yoshii, Kento Sato, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku, Kentaro Sano
2024	B	`conf`	CHARM-SYCL & IRIS: A Tool Chain for Performance Portability on Extremely Heterogeneous Systems. e-Science Norihisa Fujita, Beau Johnston, Narasinga Rao Miniskar, Ryohei Kobayashi, Mohammad Alaul Haque Monil, Keita Teranishi, Seyong Lee, Jeffrey S. Vetter, Taisuke Boku
2024	B	`conf`	Improving Performance on Replica-Exchange Molecular Dynamics Simulations by Optimizing GPU Core Utilization. ICPP Taisuke Boku, Masatake Sugita, Ryohei Kobayashi, Shinnosuke Furuya, Takuya Fujie, Masahito Ohue, Yutaka Akiyama
2024	—	`conf`	Preliminary Evaluation of Kyokko for Inter-FPGA Communication Framework CIRCUS. CLUSTER Workshops Kaito Kitazume, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku
2024	—	`conf`	Preliminary Performance Evaluation of Grace-Hopper GH200. CLUSTER Workshops Toshihiro Hanawa, Kengo Nakajima, Yohei Miki, Takashi Shimokawabe, Kazuya Yamazaki, Shinji Sumimoto, Osamu Tatebe, Taisuke Boku, Daisuke Takahashi, Akira Nukada, Norihisa Fujita, Ryohei Kobayashi, Hiroto Tadano, Akira Naruse
2024	—	`conf`	Using Intel oneAPI for Multi-hybrid Acceleration Programming with GPU and FPGA Coupling. HPC Asia Workshops Wentao Liang, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku
2024	—	`conf`	Using SYCLomatic to Migrate CUDA Code to oneAPI Adapting NVIDIA GPU. CLUSTER Workshops Wentao Liang, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku
2023	—	`conf`	CHARM-SYCL: New Unified Programming Environment for Multiple Accelerator Types. SC Workshops Norihisa Fujita, Beau Johnston, Ryohei Kobayashi, Keita Teranishi, Seyong Lee, Taisuke Boku, Jeffrey S. Vetter
2023	J	`jnl`	Data Transfer API and its Performance Model for Rank-Level Approximate Computing on HPC Systems. Int. J. Netw. Comput. Yoshiyuki Morie, Yasutaka Wada, Ryohei Kobayashi, Ryuichi Sakamoto
2023	C	`conf`	GPU-FPGA-accelerated Radiative Transfer Simulation with Inter-FPGA Communication. HPC Asia Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura
2023	—	`conf`	Implementation and Performance Evaluation of Collective Communications Using CIRCUS on Multiple FPGAs. HPC Asia Workshops Kohei Kikuchi, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku
2023	—	`conf`	OpenACC Unified Programming Environment for Multi-hybrid Acceleration with GPU and FPGA. ISC Workshops Taisuke Boku, Ryuta Tsunashima, Ryohei Kobayashi, Norihisa Fujita, Seyong Lee, Jeffrey S. Vetter, Hitoshi Murai, Masahiro Nakao, Miwako Tsuji, Mitsuhisa Sato
2023	—	`conf`	Performance improvement by enhancing spatial parallelism on FPGA for HPC applications. CLUSTER Workshops Yuka Sano, Taisuke Boku, Mitsuhisa Sato, Miwako Tsuji, Norihisa Fujita, Ryohei Kobayashi
2022	C	`conf`	Accelerating Radiative Transfer Simulation on NVIDIA GPUs with OpenACC. PDCAT Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura
2022	B	`conf`	An FPGA-based Accelerator for Regular Path Queries over Edge-labeled Graphs. IEEE Big Data Kento Miura, Ryohei Kobayashi, Toshiyuki Amagasa, Hiroyuki Kitagawa, Norihisa Fujita, Taisuke Boku
2022	J	`jnl`	An Open-source FPGA Library for Data Sorting. J. Inf. Process. Ryohei Kobayashi, Kento Miura, Norihisa Fujita, Taisuke Boku, Toshiyuki Amagasa
2022	—	`conf`	Cygnus - World First Multihybrid Accelerated Cluster with GPU and FPGA Coupling. ICPP Workshops Taisuke Boku, Norihisa Fujita, Ryohei Kobayashi, Osamu Tatebe
2022	—	`conf`	Implementation and Performance Evaluation of Memory System Using Addressable Cache for HPC Applications on HBM2 Equipped FPGAs. Euro-Par Workshops Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku
2022	C	`conf`	Multi-hetero Acceleration by GPU and FPGA for Astrophysics Simulation on oneAPI Environment. HPC Asia Ryuta Kashino, Ryohei Kobayashi, Norihisa Fujita, Taisuke Boku
2022	—	`conf`	Performance Evaluation of Data Transfer API for Rank Level Approximate Computing on HPC Systems. IPDPS Workshops Yoshiyuki Morie, Yasutaka Wada, Ryohei Kobayashi, Ryuichi Sakamoto
2022	—	`conf`	Performance Evaluation on GPU-FPGA Accelerated Computing Considering Interconnections between Accelerators. HEART Yuka Sano, Ryohei Kobayashi, Norihisa Fujita, Taisuke Boku
2021	—	`conf`	A Sorting Library for FPGA Implementation in OpenCL Programming. HEART Ryohei Kobayashi, Kento Miura, Norihisa Fujita, Taisuke Boku, Toshiyuki Amagasa
2021	—	`conf`	An efficient RTL buffering scheme for an FPGA-accelerated simulation of diffuse radiative transfer. FPT Kazuki Furukawa, Ryohei Kobayashi, Tomoya Yokono, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Masayuki Umemura
2021	C	`conf`	HBM2 Memory System for HPC Applications on an FPGA. CLUSTER Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku
2021	C	`conf`	Performance Evaluation of OpenCL-Enabled Inter-FPGA Optical Link Communication Framework CIRCUS and SMI. HPC Asia Ryuta Kashino, Ryohei Kobayashi, Norihisa Fujita, Taisuke Boku
2020	—	`conf`	Accelerating Radiative Transfer Simulation with GPU-FPGA Cooperative Computation. ASAP Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura
2020	J	`jnl`	Multi-Hybrid Accelerated Simulation by GPU and FPGA on Radiative Transfer Simulation in Astrophysics. J. Inf. Process. Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura
2020	—	`conf`	OpenCL-enabled Parallel Raytracing for Astrophysical Application on Multiple FPGAs with Optical Links. H2RC@SC Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura
2020	—	`conf`	Performance Evaluation of Pipelined Communication Combined with Computation in OpenCL Programming on FPGA. IPDPS Workshops Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Tomohiro Ueno, Kentaro Sano, Taisuke Boku
2020	C	`conf`	Toward OpenACC-enabled GPU-FPGA Accelerated Computing. CLUSTER Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Kohji Yoshikawa, Makito Abe, Masayuki Umemura
2019	—	`conf`	GPU-FPGA Heterogeneous Computing with OpenCL-Enabled Direct Memory Access. IPDPS Workshops Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Ayumi Nakamichi, Taisuke Boku
2019	—	`conf`	Parallel Processing on FPGA Combining Computation and Communication in OpenCL Programming. IPDPS Workshops Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku
2018	—	`conf`	Accelerating Space Radiative Transfer on FPGA using OpenCL. HEART Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Yuma Oobata, Taisuke Boku, Makito Abe, Kohji Yoshikawa, Masayuki Umemura
2018	J	`jnl`	ArchHDL: A Novel Hardware RTL Modeling and High-Speed Simulation Environment. IEICE Trans. Inf. Syst. Shimpei Sato, Ryohei Kobayashi, Kenji Kise
2018	C	`conf`	OpenCL-ready High Speed FPGA Network for Reconfigurable High Performance Computing. HPC Asia Ryohei Kobayashi, Yuma Oobata, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku
2017	J	`jnl`	A High Performance FPGA-Based Sorting Accelerator with a Data Compression Mechanism. IEICE Trans. Inf. Syst. Ryohei Kobayashi, Kenji Kise
2016	J	`jnl`	A High-speed Verilog HDL Simulation Method using a Lightweight Translator. SIGARCH Comput. Archit. News Ryohei Kobayashi, Tomohiro Misono, Kenji Kise
2015	—	`conf`	A Challenge of Portable and High-Speed FPGA Accelerator. ARC Takuma Usui, Ryohei Kobayashi, Kenji Kise
2015	—	`conf`	Effective Parallel Simulation of ArchHDL under Manycore Environment. CANDAR Tomohiro Misono, Ryohei Kobayashi, Shimpei Sato, Kenji Kise
2015	—	`conf`	FACE: Fast and Customizable Sorting Accelerator for Heterogeneous Many-core Systems. MCSoC Ryohei Kobayashi, Kenji Kise
2015	—	`conf`	Reconfigurable IBM PC Compatible SoC for Computer Architecture Education and Research. MCSoC Eri Ogawa, Yuki Matsuda, Tomohiro Misono, Ryohei Kobayashi, Kenji Kise
2012	Misc	`conf`	Towards a Low-Power Accelerator of Many FPGAs for Stencil Computations. ICNC Ryohei Kobayashi, Shinya Takamaeda-Yamazaki, Kenji Kise