Keigo Nitadori

According to our database, Keigo Nitadori authored at least 23 papers between 2009 and 2023.

Collaborative distances:

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

2023

102 PFLOPS lattice QCD quark solver on Fugaku.

Ken-Ichi Ishikawa, Issaku Kanamori, Hideo Matsufuru, Ikuo Miyoshi, Yuta Mukai, Yoshifumi Nakamura, Keigo Nitadori, Miwako Tsuji

Comput. Phys. Commun., 2023

Wilson matrix kernel for lattice QCD on A64FX architecture.

Issaku Kanamori, Keigo Nitadori, Hideo Matsufuru

Proceedings of the HPC Asia 2023 Workshops, 2023

2020

Implementation and performance of Barnes-hut n-body algorithm on extreme-scale heterogeneous many-core architectures.

Masaki Iwasawa, Daisuke Namekata, Ryo Sakamoto, Takashi Nakamura, Yasuyuki Kimura, Keigo Nitadori, Long Wang, Miyuki Tsubouchi, Jun Makino, Zhao Liu, Haohuan Fu, Guangwen Yang

Int. J. High Perform. Comput. Appl., 2020

Implementation and Numerical Techniques for One EFlop/s HPL-AI Benchmark on Fugaku.

Shuhei Kudo, Keigo Nitadori, Takuya Ina, Toshiyuki Imamura

Proceedings of the 11th IEEE/ACM Workshop on Latest Advances in Scalable Algorithms for Large-Scale Systems, 2020

Prompt Report on Exa-Scale HPL-AI Benchmark.

Shuhei Kudo, Keigo Nitadori, Takuya Ina, Toshiyuki Imamura

Proceedings of the IEEE International Conference on Cluster Computing, 2020

2018

Fortran interface layer of the framework for developing particle simulator FDPS.

Daisuke Namekata, Masaki Iwasawa, Keigo Nitadori, Ataru Tanikawa, Takayuki Muranushi, Long Wang, Natsuki Hosono, Kentaro Nomura, Junichiro Makino

CoRR, 2018

Automatic Generation of High-Order Finite-Difference Code with Temporal Blocking for Extreme-Scale Many-Core Systems.

Hideyuki Tanaka, Youhei Ishihara, Ryo Sakamoto, Takashi Nakamura, Yasuyuki Kimura, Keigo Nitadori, Miyuki Tsubouchi, Jun Makino

Proceedings of the 4th International Workshop on Extreme Scale Programming Models and Middleware, 2018

Global Simulation of Planetary Rings on Sunway TaihuLight.

Masaki Iwasawa, Long Wang, Keigo Nitadori, Daisuke Namekata, Takayuki Muranushi, Miyuki Tsubouchi, Junichiro Makino, Zhao Liu, Haohuan Fu, Guangwen Yang

Proceedings of the Computational Science - ICCS 2018, 2018

2016

Implementation and Evaluation of Data-Compression Algorithms for Irregular-Grid Iterative Methods on the PEZY-SC Processor.

Naoki Yoshifuji, Ryo Sakamoto, Keigo Nitadori, Jun Makino

Proceedings of the 6th Workshop on Irregular Applications: Architecture and Algorithms, 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

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

2015

FDPS: a novel framework for developing high-performance particle simulation codes for distributed-memory systems.

Masaki Iwasawa, Ataru Tanikawa, Natsuki Hosono, Keigo Nitadori, Takayuki Muranushi, Junichiro Makino

Proceedings of the 5th International Workshop on Domain-Specific Languages and High-Level Frameworks for High Performance Computing, 2015

2014

24.77 Pflops on a Gravitational Tree-Code to Simulate the Milky Way Galaxy with 18600 GPUs.

Jeroen Bédorf, Evghenii Gaburov, Michiko S. Fujii, Keigo Nitadori, Tomoaki Ishiyama, Simon Portegies Zwart

Proceedings of the International Conference for High Performance Computing, 2014

2013

Up to 700k GPU Cores, Kepler, and the Exascale Future for Simulations of Star Clusters Around Black Holes.

Peter Berczik, Rainer Spurzem, Shiyan Zhong, Long Wang, Keigo Nitadori, Tsuyoshi Hamada, Alexander Veles

Proceedings of the Supercomputing - 28th International Supercomputing Conference, 2013

2012

4.45 Pflops astrophysical <i>N</i>-body simulation on K computer: the gravitational trillion-body problem.

Tomoaki Ishiyama, Keigo Nitadori, Junichiro Makino

Proceedings of the SC Conference on High Performance Computing Networking, 2012

2011

Astrophysical particle simulations with large custom GPU clusters on three continents.

Rainer Spurzem, Peter Berczik, Ingo Berentzen, Keigo Nitadori, Tsuyoshi Hamada, Guillermo Marcus Martinez, Andreas Kugel, Reinhard Männer, J. Fiestas, Robi Banerjee, Ralf Klessen

Comput. Sci. Res. Dev., 2011

2010

Simulating the universe on an intercontinental grid of supercomputers

Simon Portegies Zwart, Tomoaki Ishiyama, Derek Groen, Keigo Nitadori, Junichiro Makino, Cees de Laat, Stephen L. W. McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso

CoRR, 2010

Simulating the Universe on an Intercontinental Grid.

Simon Portegies Zwart, Derek Groen, Tomoaki Ishiyama, Keigo Nitadori, Junichiro Makino, Cees de Laat, Steve McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso

Computer, 2010

190 TFlops Astrophysical N-body Simulation on a Cluster of GPUs.

Tsuyoshi Hamada, Keigo Nitadori

Proceedings of the Conference on High Performance Computing Networking, 2010

Astrophysical Particle Simulations with Custom GPU Clusters.

Rainer Spurzem, Peter Berczik, Keigo Nitadori, Guillermo Marcus Martinez, Andreas Kugel, Reinhard Männer, Ingo Berentzen, Ralf Klessen, Robi Banerjee

Proceedings of the 10th IEEE International Conference on Computer and Information Technology, 2010

2009

A novel multiple-walk parallel algorithm for the Barnes-Hut treecode on GPUs - towards cost effective, high performance N-body simulation.

Tsuyoshi Hamada, Keigo Nitadori, Khaled Benkrid, Yousuke Ohno, Gentaro Morimoto, Tomonari Masada, Yuichiro Shibata, Kiyoshi Oguri, Makoto Taiji

Comput. Sci. Res. Dev., 2009

42 TFlops hierarchical <i>N</i>-body simulations on GPUs with applications in both astrophysics and turbulence.

Tsuyoshi Hamada, Tetsu Narumi, Rio Yokota, Kenji Yasuoka, Keigo Nitadori, Makoto Taiji

Proceedings of the ACM/IEEE Conference on High Performance Computing, 2009

A Comparative Study on ASIC, FPGAs, GPUs and General Purpose Processors in the O(N^2) Gravitational N-body Simulation.

Tsuyoshi Hamada, Khaled Benkrid, Keigo Nitadori, Makoto Taiji

Proceedings of the NASA/ESA Conference on Adaptive Hardware and Systems, 2009