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Report No.

Development of computing technologies for extreme scale CFD codes on Oakforest-PACS

Idomura, Yasuhiro  

In performing extreme scale CFD simulations on many core platforms with low power consumption such as Oakforest-PACS, we need new computing technologies for accelerating computation on many core processors, and avoiding communications and data I/O, which become bottlenecks with accelerated computation. In order to resolve these issues, we have developed many core optimization techniques, communication latency hiding techniques, communication avoiding algorithms, and In-Situ visualization systems on Oakforest-PACS. In this talk, we present applications of these techniques to five dimensional plasma CFD codes and three dimensional multi-phase thermal hydraulic CFD codes.



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