Keigo Nitadori

RIKEN Center for Computational Science — Japan

Physics and Astronomy · Physical Sciences

19h-index1.8kcitations70works0.02yr avg
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Research Topics

Scientific Research and Discoveries(26), Computational Physics and Python Applications(14), Galaxies: Formation, Evolution, Phenomena(13), Parallel Computing and Optimization Techniques(13), Stellar, planetary, and galactic studies(9)

Publications70 total

SCF-FDPS: A Fast N-body Code for Simulating Disk–Halo Systems
The Astrophysical Journal·2023Open Access
SCF-FDPS: A Fast $N$-body Code for Simulating Disk-halo Systems
arXiv (Cornell University)·2023Open Access
Wilson matrix kernel for lattice QCD on A64FX architecture
2023· 2 citedOpen Access
102 PFLOPS lattice QCD quark solver on Fugaku
Computer Physics Communications·2022· 10 cited
102 PFLOPS Lattice QCD quark solver on Fugaku
arXiv (Cornell University)·2021· 3 citedOpen Access
Implementation and Numerical Techniques for One EFlop/s HPL-AI Benchmark on Fugaku
2020· 22 cited
Prompt Report on Exa-Scale HPL-AI Benchmark
2020· 16 cited
Step-size effect in the time-transformed leapfrog integrator on elliptic and hyperbolic orbits
Monthly Notices of the Royal Astronomical Society·2020· 3 citedOpen Access
Implementation and performance of Barnes-hut n-body algorithm on extreme-scale heterogeneous many-core architectures
The International Journal of High Performance Computing Applications·2020· 6 cited
petar: a high-performance N-body code for modelling massive collisional stellar systems
Monthly Notices of the Royal Astronomical Society·2020· 120 citedOpen Access
PeTar: ParticlE Tree & particle-particle & Algorithmic Regularization code for simulating massive star clusters
Astrophysics Source Code Library·2020
A slow-down time-transformed symplectic integrator for solving the few-body problem
Monthly Notices of the Royal Astronomical Society·2020· 51 citedOpen Access
SDAR: Slow-Down Algorithmic Regularization code for solving few-body problems
Astrophysics Source Code Library·2020· 1 cited
Implementation and Performance of Barnes-Hut N-body algorithm on Extreme-scale Heterogeneous Many-core Architectures
arXiv (Cornell University)·2019· 1 citedOpen Access
A Mean-field Approach to Simulating the Merging of Collisionless Stellar Systems Using a Particle-based Method
The Astrophysical Journal·2019· 1 citedOpen Access
Automatic Generation of High-Order Finite-Difference Code with Temporal Blocking for Extreme-Scale Many-Core Systems
2018· 4 cited
A development of an accelerator board dedicated for multi-precision arithmetic operations and its application to Feynman loop integrals II
Journal of Physics Conference Series·2018· 1 citedOpen Access
Fortran interface layer of the framework for developing particle simulator FDPS
Publications of the Astronomical Society of Japan·2018· 39 citedOpen Access
Speed-up efficiencies of an SPH code with FDPS on GPUs or PEZY-SCs
Japan Geoscience Union·2018
Global Simulation of Planetary Rings on Sunway TaihuLight
Lecture notes in computer science·2018· 6 cited
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Frequent Co-authors

Junichiro Makino(22), Masaki Iwasawa(10), Long Wang(8), Peter Berczik(8), Tsuyoshi Hamada(8), Rainer Spurzem(7), Takayuki Muranushi(7), I. Berentzen(6), Tomoaki Ishiyama(5), Ataru Tanikawa(5), Simon Portegies Zwart(4), Daisuke Namekata(4), Natsuki Hosono(4), Yoshifumi Nakamura(4), Ryo Sakamoto(4), Miyuki Tsubouchi(4), Makoto Taiji(3), Kohji Yoshikawa(3), Takashi Okamoto(3), Shiyan Zhong(3)