Ryohei Kobayashi

According to our database, Ryohei Kobayashi authored at least 41 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Improving Performance on Replica-Exchange Molecular Dynamics Simulations by Optimizing GPU Core Utilization.

Taisuke Boku, Masatake Sugita, Ryohei Kobayashi, Shinnosuke Furuya, Takuya Fujie, Masahito Ohue, Yutaka Akiyama

Proceedings of the 53rd International Conference on Parallel Processing, 2024

Using Intel oneAPI for Multi-hybrid Acceleration Programming with GPU and FPGA Coupling.

Wentao Liang, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku

Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region Workshops, 2024

CHARM-SYCL & IRIS: A Tool Chain for Performance Portability on Extremely Heterogeneous Systems.

Norihisa Fujita, Beau Johnston, Narasinga Rao Miniskar, Ryohei Kobayashi, Mohammad Alaul Haque Monil, Keita Teranishi, Seyong Lee, Jeffrey S. Vetter, Taisuke Boku

Proceedings of the 20th IEEE International Conference on e-Science, 2024

Using SYCLomatic to Migrate CUDA Code to oneAPI Adapting NVIDIA GPU.

Wentao Liang, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku

Proceedings of the IEEE International Conference on Cluster Computing, 2024

Preliminary Evaluation of Kyokko for Inter-FPGA Communication Framework CIRCUS.

Kaito Kitazume, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku

Proceedings of the IEEE International Conference on Cluster Computing, 2024

Preliminary Performance Evaluation of Grace-Hopper GH200.

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

Proceedings of the IEEE International Conference on Cluster Computing, 2024

2023

Data Transfer API and its Performance Model for Rank-Level Approximate Computing on HPC Systems.

Yoshiyuki Morie, Yasutaka Wada, Ryohei Kobayashi, Ryuichi Sakamoto

Int. J. Netw. Comput., 2023

OpenACC Unified Programming Environment for Multi-hybrid Acceleration with GPU and FPGA.

Taisuke Boku, Ryuta Tsunashima, Ryohei Kobayashi, Norihisa Fujita, Seyong Lee, Jeffrey S. Vetter, Hitoshi Murai, Masahiro Nakao, Miwako Tsuji, Mitsuhisa Sato

Proceedings of the High Performance Computing, 2023

CHARM-SYCL: New Unified Programming Environment for Multiple Accelerator Types.

Norihisa Fujita, Beau Johnston, Ryohei Kobayashi, Keita Teranishi, Seyong Lee, Taisuke Boku, Jeffrey S. Vetter

Proceedings of the SC '23 Workshops of The International Conference on High Performance Computing, 2023

GPU-FPGA-accelerated Radiative Transfer Simulation with Inter-FPGA Communication.

Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura

Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region, 2023

Implementation and Performance Evaluation of Collective Communications Using CIRCUS on Multiple FPGAs.

Kohei Kikuchi, Norihisa Fujita, Ryohei Kobayashi, Taisuke Boku

Proceedings of the HPC Asia 2023 Workshops, 2023

Performance improvement by enhancing spatial parallelism on FPGA for HPC applications.

Yuka Sano, Taisuke Boku, Mitsuhisa Sato, Miwako Tsuji, Norihisa Fujita, Ryohei Kobayashi

Proceedings of the IEEE International Conference on Cluster Computing, 2023

2022

An Open-source FPGA Library for Data Sorting.

Ryohei Kobayashi, Kento Miura, Norihisa Fujita, Taisuke Boku, Toshiyuki Amagasa

J. Inf. Process., 2022

Accelerating Radiative Transfer Simulation on NVIDIA GPUs with OpenACC.

Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura

Proceedings of the Parallel and Distributed Computing, Applications and Technologies, 2022

Performance Evaluation of Data Transfer API for Rank Level Approximate Computing on HPC Systems.

Yoshiyuki Morie, Yasutaka Wada, Ryohei Kobayashi, Ryuichi Sakamoto

Proceedings of the IEEE International Parallel and Distributed Processing Symposium, 2022

Cygnus - World First Multihybrid Accelerated Cluster with GPU and FPGA Coupling.

Taisuke Boku, Norihisa Fujita, Ryohei Kobayashi, Osamu Tatebe

Proceedings of the Workshop Proceedings of the 51st International Conference on Parallel Processing, 2022

Multi-hetero Acceleration by GPU and FPGA for Astrophysics Simulation on oneAPI Environment.

Ryuta Kashino, Ryohei Kobayashi, Norihisa Fujita, Taisuke Boku

Proceedings of the HPC Asia 2022: International Conference on High Performance Computing in Asia-Pacific Region, Virtual Event, Japan, January 12, 2022

Performance Evaluation on GPU-FPGA Accelerated Computing Considering Interconnections between Accelerators.

Yuka Sano, Ryohei Kobayashi, Norihisa Fujita, Taisuke Boku

Proceedings of the HEART 2022: International Symposium on Highly-Efficient Accelerators and Reconfigurable Technologies, Tsukuba, Japan, June 9, 2022

Implementation and Performance Evaluation of Memory System Using Addressable Cache for HPC Applications on HBM2 Equipped FPGAs.

Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku

Proceedings of the Euro-Par 2022: Parallel Processing Workshops, 2022

An FPGA-based Accelerator for Regular Path Queries over Edge-labeled Graphs.

Kento Miura, Ryohei Kobayashi, Toshiyuki Amagasa, Hiroyuki Kitagawa, Norihisa Fujita, Taisuke Boku

Proceedings of the IEEE International Conference on Big Data, 2022

2021

Performance Evaluation of OpenCL-Enabled Inter-FPGA Optical Link Communication Framework CIRCUS and SMI.

Ryuta Kashino, Ryohei Kobayashi, Norihisa Fujita, Taisuke Boku

Proceedings of the HPC Asia 2021: The International Conference on High Performance Computing in Asia-Pacific Region, 2021

A Sorting Library for FPGA Implementation in OpenCL Programming.

Ryohei Kobayashi, Kento Miura, Norihisa Fujita, Taisuke Boku, Toshiyuki Amagasa

Proceedings of the HEART '21: 11th International Symposium on Highly Efficient Accelerators and Reconfigurable Technologies, 2021

An efficient RTL buffering scheme for an FPGA-accelerated simulation of diffuse radiative transfer.

Kazuki Furukawa, Ryohei Kobayashi, Tomoya Yokono, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Masayuki Umemura

Proceedings of the International Conference on Field-Programmable Technology, 2021

HBM2 Memory System for HPC Applications on an FPGA.

Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku

Proceedings of the IEEE International Conference on Cluster Computing, 2021

2020

Multi-Hybrid Accelerated Simulation by GPU and FPGA on Radiative Transfer Simulation in Astrophysics.

Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura

J. Inf. Process., 2020

OpenCL-enabled Parallel Raytracing for Astrophysical Application on Multiple FPGAs with Optical Links.

Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura

Proceedings of the 2020 IEEE/ACM International Workshop on Heterogeneous High-performance Reconfigurable Computing, 2020

Performance Evaluation of Pipelined Communication Combined with Computation in OpenCL Programming on FPGA.

Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Tomohiro Ueno, Kentaro Sano, Taisuke Boku

Proceedings of the 2020 IEEE International Parallel and Distributed Processing Symposium Workshops, 2020

Toward OpenACC-enabled GPU-FPGA Accelerated Computing.

Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Kohji Yoshikawa, Makito Abe, Masayuki Umemura

Proceedings of the IEEE International Conference on Cluster Computing, 2020

Accelerating Radiative Transfer Simulation with GPU-FPGA Cooperative Computation.

Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku, Kohji Yoshikawa, Makito Abe, Masayuki Umemura

Proceedings of the 31st IEEE International Conference on Application-specific Systems, 2020

2019

GPU-FPGA Heterogeneous Computing with OpenCL-Enabled Direct Memory Access.

Ryohei Kobayashi, Norihisa Fujita, Yoshiki Yamaguchi, Ayumi Nakamichi, Taisuke Boku

Proceedings of the IEEE International Parallel and Distributed Processing Symposium Workshops, 2019

Parallel Processing on FPGA Combining Computation and Communication in OpenCL Programming.

Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Taisuke Boku

Proceedings of the IEEE International Parallel and Distributed Processing Symposium Workshops, 2019

2018

ArchHDL: A Novel Hardware RTL Modeling and High-Speed Simulation Environment.

Shimpei Sato, Ryohei Kobayashi, Kenji Kise

IEICE Trans. Inf. Syst., 2018

OpenCL-ready High Speed FPGA Network for Reconfigurable High Performance Computing.

Ryohei Kobayashi, Yuma Oobata, Norihisa Fujita, Yoshiki Yamaguchi, Taisuke Boku

Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region, 2018

Accelerating Space Radiative Transfer on FPGA using OpenCL.

Norihisa Fujita, Ryohei Kobayashi, Yoshiki Yamaguchi, Yuma Oobata, Taisuke Boku, Makito Abe, Kohji Yoshikawa, Masayuki Umemura

Proceedings of the 9th International Symposium on Highly-Efficient Accelerators and Reconfigurable Technologies, 2018

2017

A High Performance FPGA-Based Sorting Accelerator with a Data Compression Mechanism.

Ryohei Kobayashi, Kenji Kise

IEICE Trans. Inf. Syst., 2017

2016

A High-speed Verilog HDL Simulation Method using a Lightweight Translator.

Ryohei Kobayashi, Tomohiro Misono, Kenji Kise

SIGARCH Comput. Archit. News, 2016

2015

Reconfigurable IBM PC Compatible SoC for Computer Architecture Education and Research.

Eri Ogawa, Yuki Matsuda, Tomohiro Misono, Ryohei Kobayashi, Kenji Kise

Proceedings of the IEEE 9th International Symposium on Embedded Multicore/Many-core Systems-on-Chip, 2015

FACE: Fast and Customizable Sorting Accelerator for Heterogeneous Many-core Systems.

Ryohei Kobayashi, Kenji Kise

Proceedings of the IEEE 9th International Symposium on Embedded Multicore/Many-core Systems-on-Chip, 2015

Effective Parallel Simulation of ArchHDL under Manycore Environment.

Tomohiro Misono, Ryohei Kobayashi, Shimpei Sato, Kenji Kise

Proceedings of the Third International Symposium on Computing and Networking, 2015

A Challenge of Portable and High-Speed FPGA Accelerator.

Takuma Usui, Ryohei Kobayashi, Kenji Kise

Proceedings of the Applied Reconfigurable Computing - 11th International Symposium, 2015

2012

Towards a Low-Power Accelerator of Many FPGAs for Stencil Computations.

Ryohei Kobayashi, Shinya Takamaeda-Yamazaki, Kenji Kise

Proceedings of the Third International Conference on Networking and Computing, 2012