Hirofumi Tomita

According to our database, Hirofumi Tomita authored at least 17 papers between 2008 and 2024.

Collaborative distances:

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

2024

Parallelized Remapping Algorithms for km-scale Global Weather and Climate Simulations with Icosahedral Grid System.

Chihiro Kodama, Hisashi Yashiro, Takashi Arakawa, Daisuke Takasuka, Shuhei Matsugishi, Hirofumi Tomita

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

2023

Big Data Assimilation: Real-time 30-second-refresh Heavy Rain Forecast Using Fugaku During Tokyo Olympics and Paralympics.

Takemasa Miyoshi, Arata Amemiya, Shigenori Otsuka, Yasumitsu Maejima, James Taylor, Takumi Honda, Hirofumi Tomita, Seiya Nishizawa, Kenta Sueki, Tsuyoshi Yamaura, Yutaka Ishikawa, Shinsuke Satoh, Tomoo Ushio, Kana Koike, Atsuya Uno

Proceedings of the International Conference for High Performance Computing, 2023

2020

A 1024-member ensemble data assimilation with 3.5-km mesh global weather simulations.

Hisashi Yashiro, Koji Terasaki, Yuta Kawai, Shuhei Kudo, Takemasa Miyoshi, Toshiyuki Imamura, Kazuo Minami, Hikaru Inoue, Tatsuo Nishiki, Takayuki Saji, Masaki Satoh, Hirofumi Tomita

Proceedings of the International Conference for High Performance Computing, 2020

Co-design for A64FX manycore processor and "Fugaku".

Mitsuhisa Sato, Yutaka Ishikawa, Hirofumi Tomita, Yuetsu Kodama, Tetsuya Odajima, Miwako Tsuji, Hisashi Yashiro, Masaki Aoki, Naoyuki Shida, Ikuo Miyoshi, Kouichi Hirai, Atsushi Furuya, Akira Asato, Kuniki Morita, Toshiyuki Shimizu

Proceedings of the International Conference for High Performance Computing, 2020

2018

DTF: An I/O Arbitration Framework for Multi-component Data Processing Workflows.

Tatiana V. Martsinkevich, Balazs Gerofi, Guo-Yuan Lien, Seiya Nishizawa, Wei-keng Liao, Takemasa Miyoshi, Hirofumi Tomita, Yutaka Ishikawa, Alok N. Choudhary

Proceedings of the High Performance Computing - 33rd International Conference, 2018

2017

CONeP: A cost-effective online nesting procedure for regional atmospheric models.

Ryuji Yoshida, Seiya Nishizawa, Hisashi Yashiro, Sachiho A. Adachi, Yousuke Sato, Tsuyoshi Yamaura, Hirofumi Tomita

Parallel Comput., 2017

A flexible I/O arbitration framework for netCDF-based big data processing workflows on high-end supercomputers.

Jianwei Liao, Balazs Gerofi, Guo-Yuan Lien, Takemasa Miyoshi, Seiya Nishizawa, Hirofumi Tomita, Wei-Keng Liao, Alok N. Choudhary, Yutaka Ishikawa

Concurr. Comput. Pract. Exp., 2017

2016

"Big Data Assimilation" Toward Post-Petascale Severe Weather Prediction: An Overview and Progress.

Takemasa Miyoshi, Guo-Yuan Lien, Shinsuke Satoh, Tomoo Ushio, Kotaro Bessho, Hirofumi Tomita, Seiya Nishizawa, Ryuji Yoshida, Sachiho A. Adachi, Jianwei Liao, Balazs Gerofi, Yutaka Ishikawa, Masaru Kunii, Juan Ruiz, Yasumitsu Maejima, Shigenori Otsuka, Michiko Otsuka, Kozo Okamoto, Hiromu Seko

Proc. IEEE, 2016

Simulations of below-ground dynamics of fungi: 1.184 pflops attained by automated generation and autotuning of temporal blocking codes.

Takayuki Muranushi, Hideyuki Hotta, Junichiro Makino, Seiya Nishizawa, Hirofumi Tomita, Keigo Nitadori, Masaki Iwasawa, Natsuki Hosono, Yutaka Maruyama, Hikaru Inoue, Hisashi Yashiro, Yoshifumi Nakamura

Proceedings of the International Conference for High Performance Computing, 2016

Performance Analysis and Optimization of Nonhydrostatic ICosahedral Atmospheric Model (NICAM) on the K Computer and TSUBAME2.5.

Hisashi Yashiro, Masaaki Terai, Ryuji Yoshida, Shin-ichi Iga, Kazuo Minami, Hirofumi Tomita

Proceedings of the Platform for Advanced Scientific Computing Conference, 2016

Automatic generation of efficient codes from mathematical descriptions of stencil computation.

Takayuki Muranushi, Seiya Nishizawa, Hirofumi Tomita, Keigo Nitadori, Masaki Iwasawa, Yutaka Maruyama, Hisashi Yashiro, Yoshifumi Nakamura, Hideyuki Hotta, Junichiro Makino, Natsuki Hosono, Hikaru Inoue

Proceedings of the 5th International Workshop on Functional High-Performance Computing, 2016

Toward a General I/O Arbitration Framework for netCDF Based Big Data Processing.

Jianwei Liao, Balazs Gerofi, Guo-Yuan Lien, Seiya Nishizawa, Takemasa Miyoshi, Hirofumi Tomita, Yutaka Ishikawa

Proceedings of the Euro-Par 2016: Parallel Processing, 2016

2014

Scalable rank-mapping algorithm for an icosahedral grid system on the massive parallel computer with a 3-D torus network.

Chihiro Kodama, Masaaki Terai, Akira T. Noda, Yohei Yamada, Masaki Satoh, Tatsuya Seiki, Shin-ichi Iga, Hisashi Yashiro, Hirofumi Tomita, Kazuo Minami

Parallel Comput., 2014

Improved smoothness and homogeneity of icosahedral grids using the spring dynamics method.

Shin-ichi Iga, Hirofumi Tomita

J. Comput. Phys., 2014

2012

Multi-GPU Implementation of the NICAM Atmospheric Model.

Irina Demeshko, Naoya Maruyama, Hirofumi Tomita, Satoshi Matsuoka

Proceedings of the Euro-Par 2012: Parallel Processing Workshops, 2012

2008

A New Approach to Atmospheric General Circulation Model: Global Cloud Resolving Model NICAM and its Computational Performance.

Hirofumi Tomita, Koji Goto, Masaki Satoh

SIAM J. Sci. Comput., 2008

Nonhydrostatic icosahedral atmospheric model (NICAM) for global cloud resolving simulations.

Masaki Satoh, Taro Matsuno, Hirofumi Tomita, Hiroaki Miura, Tomoe Nasuno, Shin-ichi Iga

J. Comput. Phys., 2008