Computer Science ›› 2020, Vol. 47 ›› Issue (1): 24-30.doi: 10.11896/jsjkx.181102176

• Computer Architecture • Previous Articles     Next Articles

Research on Adaptation of CFD Software Based on Many-core Architecture of 100P Domestic Supercomputing System

LI Fang1,LI Zhi-hui2,XU Jin-xiu1,FAN Hao1,CHU Xue-sen3,LI Xin-liang4   

  1. (Jiangnan Institute of Computing Technology,Wuxi,Jiangsu 214083,China)1;
    (National Laboratory of Computational Fluid Dynamics,Beijing 100191,China)2;
    (China Ship Scientific Research Center,Wuxi,Jiangsu 214081,China)3;
    (Institute of Mechanics,Chinese Academy of Sciences,Beijing 100190,China)4
  • Received:2018-11-26 Published:2020-01-19
  • About author:LI Fang,born in 1980,Ph.D,associate researcher.Her main research interests include computational fuid dynamics and high-performance parallel computation and application;LI Zhi-hui,borin in 1968,Ph.D,professor,doctoral supervisor.His main research interests include computable modeling on nonlinear deforming and destroying mechanism of metal truss structure,numerical forecast of flight track and high-performance parallel computation and application.
  • Supported by:
    This work was supported by the Project of Manned Space Engineering Technology (2018-14),Major Research Plan of the National Natural Science Foundation of China (91530319) and National Basic Research Program of China (2014CB744100).

Abstract: Domestic many-core super computing system provides two program languages with different program difficulty.Adaptation to many-core architecture of CFD software decides which program language should be used.Firstly,this paper briefly introduced the many-core architecture,program model and program languages.And then challenges on the adaptation of CFD software were analyzed,including data relativity of implicit method,solving of big parse linear equations,many grid method and unstructured grids.For each challenge,corresponding countermeasure was provided too.At last,the paper provided the speedup ratio of some typical software of fluid dynamics based on theory analysis and experiments.Facts prove that most CFD softwares adapt well to domestic many-core architecture and can use simple program language to get better parallel ration on million cores.

Key words: Domestic, Many-core architecture, Software of computational fluid dynamics, Adaptation, Program language, Parallel algorithm

CLC Number: 

  • TP311
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