Faculty Member

Senior Associate Professor N.Nakasato

High performance computing and numerical simulations in astronomy and astrophysics.

Honorary Professor S.G.Sedukhin

Graduate Students

Undergraduate Students

Former Members

Research Project

Parallel Algorithm

Numerical Simulations on GPU

Innovative Hardware Design

Our Recent Papers


  • Application of GRAPE9-MPX for high precision calculation in particle physics and performance results, Hiroshi Daisaka, Naohito Nakasato, Tadashi Ishikawa, Fukuko Yuasa, 2015, Large Scale Computational Physics Workshop (INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE), Reykjavík, Jun. 1-3, 2015
  • Stream Computation of Shallow Water Equation Solver for FPGA-based 1D Tsunami Simulation, Kentaro Sano, Fumiya Kono, Naohito Nakasato, Alexander Vazhenin and Stanislav Sedukhin, 2015, International Symposium on Highly-Energy Efficient Accelerators and Reconfiguable Technologies, Boston, Jun. 1-2, 2015
  • Implementation and Evaluation of an Efficient Parallel Architecture for Matrix Calculations, Yuki Murakami, Naohito Nakasato, Stanislav Sedukhin, 2015, IEEE Symposium on Low-Power and High-Speed Chips, Yokohama, Apr. 13-15, 2015
  • OpenMP Parallelization of Tsunami Simulation by MOST, Fumiya Kono, Naohito Nakasato, Kensaku Hayashi, Alexander Vazhenin, and Stanislav Sedukhin, 2015, Annual Meeting on Advanced Computing System and Infrastructure (ACSI) 2015, Tsukuba, Jan. 26-28, 2015 (poster paper)


  • A development of an accelerator board dedicated for multi-precision arithmetic operations and its application to Feynman loop integrals, S.Motoki, H.Daisaka, N.Nakasato, T.Ishikawa, F.Yuasa, T.Fukushige, A.Kawai and J.Makino, 2014, submitted to the proceedings of the 16th International workshop on Advanced Computing and Analysis Techniques in physics research (ACAT 2014), Prague, preprint


  • Studying the core-cusp problem in cold dark matter halos using N-body simulations on GPU clusters, G.Ogiya, M.Mori, Y.Miki, T.Boku, & N.Nakasato, 2013, Journal of Physics: Conference Series, 454, 012014,


  • Performance tuning of matrix multiplication in OpenCL on different GPUs and CPUs,Kazuya Matsumoto, Naohito Nakasato, Stanislav G. Sedukhin, In the 3rd International Workshop on Performace Modeling, Benchmarking and Simulation of High Performance Computer Systems (PMBS12) - Proceedings of the 2012 SC Companion: High Performance Computing, Networking, Storage and Analysis (SCC), IEEE CS's Conference Publishing Service, pp. 396-405, Salt Palace Convention Center, Salt Lake City, Utah, USA, November 12, 2012. DOI:10.1109/SC.Companion.2012.59
  • GRAPE-MPs: Implementation of an SIMD for quadruple/hexuple/octuple-precision arithmetic operation on a structured ASIC and an FPGA, N.Nakasato, H.Daisaka, T.Fukushige, A.Kawai, J.Makino, F.Yuasa & T.Ishikawa, 2012, IEEE MCSoC 2012, pp.75–83,



  • A fast GEMM implementation on the cypress GPU, N.Nakasato, 1st International Workshop on Performance Modeling, Benchmarking and Simulation of High Performance Computing Systems (PMBS 10), paper&slide


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Last modified 7 years ago Last modified on Jul 7, 2015 11:05:22 AM