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Seamless Simulations in Climate Variability and HPC

In: High Performance Computing on Vector Systems 2009

Author

Listed:
  • Keiko Takahashi

    (JAMSTC, The Earth Simulator Center)

  • Ryo Onishi

    (JAMSTC, The Earth Simulator Center)

  • Takeshi Sugimura

    (JAMSTC, The Earth Simulator Center)

  • Yuya Baba

    (JAMSTC, The Earth Simulator Center)

  • Koji Goto

    (NEC Corporation)

  • Hiromitsu Fuchigami

    (NEC Informatec Systems LTD)

Abstract

Multi-Scale Simulator for the Geoenvironment (MSSG), which is a coupled non-hydrostatic atmosphere-ocean-land model, has been developed in the Earth simulator Center. Outline of MSSG is introduced and characteristics are presented. After optimizing computational performance of MSSG, performance analysis has been performed on the Earth Simulator. As the results of optimization, ultra high performance with MSSG has been achieved. Computational performance of the coupled non-hydrostatic atmosphere-ocean-land model has attained 52–55% of theoretical peak performance. Furthermore, results from preliminary validations including forecasting experiments are presented.

Suggested Citation

  • Keiko Takahashi & Ryo Onishi & Takeshi Sugimura & Yuya Baba & Koji Goto & Hiromitsu Fuchigami, 2010. "Seamless Simulations in Climate Variability and HPC," Springer Books, in: Michael Resch & Sabine Roller & Katharina Benkert & Martin Galle & Wolfgang Bez & Hiroaki Kobayashi (ed.), High Performance Computing on Vector Systems 2009, pages 199-219, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-03913-3_16
    DOI: 10.1007/978-3-642-03913-3_16
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