Toshiyuki Imamura
Toshiyuki Imamura
RIKEN Center for Computational Science
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An architecture of Stampi: MPI library on a cluster of parallel computers
T Imamura, Y Tsujita, H Koide, H Takemiya
Recent Advances in Parallel Virtual Machine and Message Passing Interface …, 2000
The 10,240‐member ensemble Kalman filtering with an intermediate AGCM
T Miyoshi, K Kondo, T Imamura
Geophysical Research Letters 41 (14), 5264-5271, 2014
Development of a high performance eigensolver on the petascale next generation supercomputer system
T Imamura, S Yamada, M Machida
Progress in Nuclear Science and Technology 2, 643-650, 2011
16.447 tflops and 159-billion-dimensional exact-diagonalization for trapped fermion-hubbard model on the earth simulator
S Yamada, T Imamura, M Machida
SC'05: Proceedings of the 2005 ACM/IEEE Conference on Supercomputing, 44-44, 2005
Communication-overlap techniques for improved strong scaling of gyrokinetic Eulerian code beyond 100k cores on the K-computer
Y Idomura, M Nakata, S Yamada, M Machida, T Imamura, T Watanabe, ...
The International Journal of High Performance Computing Applications 28 (1 …, 2014
High-performance computing for exact numerical approaches to quantum many-body problems on the earth simulator
S Yamada, T Imamura, T Kano, M Machida
Proceedings of the 2006 ACM/IEEE Conference on Supercomputing, 47-es, 2006
Parallel implementation of 3D FFT with volumetric decomposition schemes for efficient molecular dynamics simulations
J Jung, C Kobayashi, T Imamura, Y Sugita
Computer Physics Communications 200, 57-65, 2016
Stampi-I/O: A flexible parallel-I/O library for heterogeneous computing environment
Y Tsujita, T Imamura, H Takemiya, N Yamagishi
European Parallel Virtual Machine/Message Passing Interface Users’ Group …, 2002
A 1024-member ensemble data assimilation with 3.5-km mesh global weather simulations
H Yashiro, K Terasaki, Y Kawai, S Kudo, T Miyoshi, T Imamura, K Minami, ...
SC20: International Conference for High Performance Computing, Networking …, 2020
Implementation of d-Spline-based incremental performance parameter estimation method with ppOpen-AT
T Tanaka, R Otsuka, A Fujii, T Katagiri, T Imamura
Scientific Programming 22 (4), 299-307, 2014
Implementation and numerical techniques for one EFlop/s HPL-AI benchmark on Fugaku
S Kudo, K Nitadori, T Ina, T Imamura
2020 IEEE/ACM 11th Workshop on Latest Advances in Scalable Algorithms for …, 2020
MLPerf™ HPC: A holistic benchmark suite for scientific machine learning on HPC systems
S Farrell, M Emani, J Balma, L Drescher, A Drozd, A Fink, G Fox, D Kanter, ...
2021 IEEE/ACM Workshop on Machine Learning in High Performance Computing …, 2021
DGEMM using tensor cores, and its accurate and reproducible versions
D Mukunoki, K Ozaki, T Ogita, T Imamura
International Conference on High Performance Computing, 230-248, 2020
HF-STEX and RASSCF calculations on nitrogen K-shell X-ray absorption of purine base and its derivative
Y Mochizuki, H Koide, T Imamura, H Takemiya
Journal of synchrotron radiation 8 (2), 1003-1005, 2001
Prompt report on Exa-scale HPL-AI benchmark
S Kudo, K Nitadori, T Ina, T Imamura
2020 IEEE International Conference on Cluster Computing (CLUSTER), 418-419, 2020
Quantum synchronization effects in intrinsic Josephson junctions
M Machida, T Kano, S Yamada, M Okumura, T Imamura, T Koyama
Physica C: Superconductivity and its applications 468 (7-10), 689-694, 2008
Grid computing supporting system on ITBL project
K Higuchi, T Imamura, Y Suzuki, F Shimizu, M Machida, T Otani, ...
High Performance Computing: 5th International Symposium, ISHPC 2003, Tokyo …, 2003
Fast implementation of general matrix-vector multiplication (GEMV) on kepler GPUS
D Mukunoki, T Imamura, D Takahashi
2015 23rd Euromicro International Conference on Parallel, Distributed, and …, 2015
Performance evaluation of the Eigen Exa eigensolver on Oakleaf-FX: Tridiagonalization versus pentadiagonalization
T Fukaya, T Imamura
2015 IEEE International Parallel and Distributed Processing Symposium …, 2015
Performance analysis of the Householder-type parallel tall-skinny QR factorizations toward automatic algorithm selection
T Fukaya, T Imamura, Y Yamamoto
High Performance Computing for Computational Science--VECPAR 2014: 11th …, 2015
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