Keigo Nitadori

28 papers A 5C 3Journal 11Unranked 9

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	Mixed precision solvers with half-precision floating point numbers for Lattice QCD on A64FX processor. SCA/HPC Asia Workshops Issaku Kanamori, Hideo Matsufuru, Tatsumi Aoyama, Kazuyuki Kanaya, Yusuke Namekawa, Hidekatsu Nemura, Keigo Nitadori
2026	J	`jnl`	Mixed precision solvers with half-precision floating point numbers for Lattice QCD on A64FX processor. CoRR Issaku Kanamori, Hideo Matsufuru, Tatsumi Aoyama, Kazuyuki Kanaya, Yusuke Namekawa, Hidekatsu Nemura, Keigo Nitadori
2023	J	`jnl`	102 PFLOPS lattice QCD quark solver on Fugaku. Comput. Phys. Commun. Ken-Ichi Ishikawa, Issaku Kanamori, Hideo Matsufuru, Ikuo Miyoshi, Yuta Mukai, Yoshifumi Nakamura, Keigo Nitadori, Miwako Tsuji
2023	—	`conf`	Wilson matrix kernel for lattice QCD on A64FX architecture. HPC Asia Workshops Issaku Kanamori, Keigo Nitadori, Hideo Matsufuru
2023	J	`jnl`	Wilson matrix kernel for lattice QCD on A64FX architecture. CoRR Issaku Kanamori, Keigo Nitadori, Hideo Matsufuru
2020	—	`conf`	Implementation and Numerical Techniques for One EFlop/s HPL-AI Benchmark on Fugaku. ScalA@SC Shuhei Kudo, Keigo Nitadori, Takuya Ina, Toshiyuki Imamura
2020	J	`jnl`	Implementation and performance of Barnes-hut n-body algorithm on extreme-scale heterogeneous many-core architectures. Int. J. High Perform. Comput. Appl. Masaki Iwasawa, Daisuke Namekata, Ryo Sakamoto, Takashi Nakamura, Yasuyuki Kimura, Keigo Nitadori, Long Wang, Miyuki Tsubouchi, Jun Makino, Zhao Liu, Haohuan Fu, Guangwen Yang
2020	C	`conf`	Prompt Report on Exa-Scale HPL-AI Benchmark. CLUSTER Shuhei Kudo, Keigo Nitadori, Takuya Ina, Toshiyuki Imamura
2018	—	`conf`	Automatic Generation of High-Order Finite-Difference Code with Temporal Blocking for Extreme-Scale Many-Core Systems. ESPM2@SC Hideyuki Tanaka, Youhei Ishihara, Ryo Sakamoto, Takashi Nakamura, Yasuyuki Kimura, Keigo Nitadori, Miyuki Tsubouchi, Jun Makino
2018	J	`jnl`	Fortran interface layer of the framework for developing particle simulator FDPS. CoRR Daisuke Namekata, Masaki Iwasawa, Keigo Nitadori, Ataru Tanikawa, Takayuki Muranushi, Long Wang, Natsuki Hosono, Kentaro Nomura, Junichiro Makino
2018	—	`conf`	Global Simulation of Planetary Rings on Sunway TaihuLight. ICCS (1) Masaki Iwasawa, Long Wang, Keigo Nitadori, Daisuke Namekata, Takayuki Muranushi, Miyuki Tsubouchi, Junichiro Makino, Zhao Liu, Haohuan Fu, Guangwen Yang
2016	—	`conf`	Automatic generation of efficient codes from mathematical descriptions of stencil computation. FHPC@ICFP Takayuki Muranushi, Seiya Nishizawa, Hirofumi Tomita, Keigo Nitadori, Masaki Iwasawa, Yutaka Maruyama, Hisashi Yashiro, Yoshifumi Nakamura, Hideyuki Hotta, Junichiro Makino, Natsuki Hosono, Hikaru Inoue
2016	—	`conf`	Implementation and Evaluation of Data-Compression Algorithms for Irregular-Grid Iterative Methods on the PEZY-SC Processor. IA3@SC Naoki Yoshifuji, Ryo Sakamoto, Keigo Nitadori, Jun Makino
2016	J	`jnl`	Implementation and evaluation of data-compression algorithms for irregular-grid iterative methods on the PEZY-SC processor. CoRR Naoki Yoshifuji, Ryo Sakamoto, Keigo Nitadori, Jun Makino
2016	A	`conf`	Simulations of below-ground dynamics of fungi: 1.184 pflops attained by automated generation and autotuning of temporal blocking codes. SC Takayuki Muranushi, Hideyuki Hotta, Junichiro Makino, Seiya Nishizawa, Hirofumi Tomita, Keigo Nitadori, Masaki Iwasawa, Natsuki Hosono, Yutaka Maruyama, Hikaru Inoue, Hisashi Yashiro, Yoshifumi Nakamura
2015	—	`conf`	FDPS: a novel framework for developing high-performance particle simulation codes for distributed-memory systems. WOLFHPC@SC Masaki Iwasawa, Ataru Tanikawa, Natsuki Hosono, Keigo Nitadori, Takayuki Muranushi, Junichiro Makino
2014	A	`conf`	24.77 Pflops on a Gravitational Tree-Code to Simulate the Milky Way Galaxy with 18600 GPUs. SC Jeroen Bédorf, Evghenii Gaburov, Michiko S. Fujii, Keigo Nitadori, Tomoaki Ishiyama, Simon Portegies Zwart
2014	J	`jnl`	24.77 Pflops on a Gravitational Tree-Code to Simulate the Milky Way Galaxy with 18600 GPUs. CoRR Jeroen Bédorf, Evghenii Gaburov, Michiko S. Fujii, Keigo Nitadori, Tomoaki Ishiyama, Simon Portegies Zwart
2013	C	`conf`	Up to 700k GPU Cores, Kepler, and the Exascale Future for Simulations of Star Clusters Around Black Holes. ISC Peter Berczik, Rainer Spurzem, Shiyan Zhong, Long Wang, Keigo Nitadori, Tsuyoshi Hamada, Alexander Veles
2012	A	`conf`	4.45 Pflops astrophysical SC Tomoaki Ishiyama, Keigo Nitadori, Junichiro Makino
2011	J	`jnl`	Astrophysical particle simulations with large custom GPU clusters on three continents. Comput. Sci. Res. Dev. Rainer Spurzem, Peter Berczik, Ingo Berentzen, Keigo Nitadori, Tsuyoshi Hamada, Guillermo Marcus Martinez, Andreas Kugel, Reinhard Männer, J. Fiestas, Robi Banerjee, Ralf Klessen
2010	A	`conf`	190 TFlops Astrophysical N-body Simulation on a Cluster of GPUs. SC Tsuyoshi Hamada, Keigo Nitadori
2010	C	`conf`	Astrophysical Particle Simulations with Custom GPU Clusters. CIT Rainer Spurzem, Peter Berczik, Keigo Nitadori, Guillermo Marcus Martinez, Andreas Kugel, Reinhard Männer, Ingo Berentzen, Ralf Klessen, Robi Banerjee
2010	J	`jnl`	Simulating the Universe on an Intercontinental Grid. Computer Simon Portegies Zwart, Derek Groen, Tomoaki Ishiyama, Keigo Nitadori, Junichiro Makino, Cees de Laat, Steve McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso
2010	J	`jnl`	Simulating the universe on an intercontinental grid of supercomputers CoRR Simon Portegies Zwart, Tomoaki Ishiyama, Derek Groen, Keigo Nitadori, Junichiro Makino, Cees de Laat, Stephen L. W. McMillan, Kei Hiraki, Stefan Harfst, Paola Grosso
2009	A	`conf`	42 TFlops hierarchical SC Tsuyoshi Hamada, Tetsu Narumi, Rio Yokota, Kenji Yasuoka, Keigo Nitadori, Makoto Taiji
2009	—	`conf`	A Comparative Study on ASIC, FPGAs, GPUs and General Purpose Processors in the O(N^2) Gravitational N-body Simulation. AHS Tsuyoshi Hamada, Khaled Benkrid, Keigo Nitadori, Makoto Taiji
2009	J	`jnl`	A novel multiple-walk parallel algorithm for the Barnes-Hut treecode on GPUs - towards cost effective, high performance N-body simulation. Comput. Sci. Res. Dev. Tsuyoshi Hamada, Keigo Nitadori, Khaled Benkrid, Yousuke Ohno, Gentaro Morimoto, Tomonari Masada, Yuichiro Shibata, Kiyoshi Oguri, Makoto Taiji