Computer Science

Computer Science ›› 2022, Vol. 49 ›› Issue (10): 66-73.doi: 10.11896/jsjkx.220100089

• High Perfonnance Computing • Previous Articles     Next Articles

Parallel Optimization of Computational Fluid Dynamics Application Palabos Based on NextGeneration Sunway Supercomputer

LIU An-jun1, YIN Hong-hui2, WANG Li1, LIU Zhi-xiang3, KONG Bo4, GUO Meng1,2, CHEN Cheng-min2, YANG Mei-hong1   

  1. 1 Shandong Computer Science Center(National Supercomputing Center in Jinan),Qilu University of Technology(Shandong Academy of Sciences),Jinan 250014,China
    2 Jinan Key Laboratory of High Performance Industrial Software,Jinan Institute of Supercomputer Technology,Jinan 251013,China
    3 College of Information Technology,Shanghai Ocean University,Shanghai 201306,China
    4 Guangdong Technion Israel Institute of Technology,Shantou,Guangdong 526100,China
  • Received:2022-01-10 Revised:2022-05-09 Online:2022-10-15 Published:2022-10-13
  • About author:LIU An-jun,born in 1990,Ph.D.His main research interests include parallel computing and mass/momentum/heat transfer.
    YANG Mei-hong,born in 1966,postgraduate,professor,Ph.D,supervisor.Her main research interests include cloud computing,big data and software engineering.
  • Supported by:
    National Key Research and Development Program(2018YFB0704002),Aoshan Science and Technology Innovation Project(2018ASKJ01), Major Scientific and Technological Innovation Projects in Shandong Province(2019JZZY010302),Shandong Key Research and Development Program(International Cooperation Office)(2019GHZ018),Shandong Province Postdoctoral Innovative Talents Support Plan(SDBX2020018) and GH fund B(202107021062).

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Abstract: Parallel lattice Boltzmann(Palabos)software is a widely used computational fluid dynamics software based on lattice Boltzmann method(LBM),which is widely used in the field of porous media,free interface,particle motion,blood flow and so on due to its excellent computing power.Palabos has a wide range of user needs,which makes it urgent to transplant,optimize and accelerate parallel on Sunway supercomputer to serve the energy and chemical industry.In this paper,the heterogeneous parallel design of Palabos software is carried out on the new generation Sunway supercomputer system(SW26010pro).The data structure and template programming of Palabos are not suitable for the heterogeneous parallel of Sunway supercomputer system.So we design the parallel optimization techniques called direct getting address,polymorphic tag processing and data slicing to deal with the Palabos data structure and template programming.Combined with the characteristics of the new generation of Sunway supercomputer system,the optimization technology of shared memory and register memory access(RMA) is also adopted.The acceleration efficiency of 64 computing processing elements(CPEs) is 2~6 speed up.The Palabos software is realized the parallel computing of one million core scale of two-phase flow algorithm in the field of complex multi-scale chemical process in the new generation Sunway supercomputer system.The one million cores parallel efficiency is more than 40% compared with 64 000 cores.

Key words: Many core, Modulation programming, Palabos, SW26010pro, Multiphase flow

CLC Number: 

  • TP391
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