Journal of computational fluids engineering (한국전산유체공학회지)

Korean Society of Computational Fluids Engineering (한국전산유체공학회)
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PERFORMANCE ANALYSIS OF THE PARALLEL CUPID CODE IN DISTRIBUTED MEMORY SYSTEM BASED ETHERNET AND INFINIBAND NETWORK

이더넷과 인피니밴드 네트워크 기반의 분산 메모리 시스템에서 병렬성능 분석

  • Jeon, B.J. (Dept. of Energy System, Seoul National Univ. of Science and Technology) ;
  • Choi, H.G. (Dept. of Mechanical/Automotive Engineering, Seoul National Univ. of Science and Technology)
  • 전병진 (서울과학기술대학교 에너지시스템공학과) ;
  • 최형권 (서울과학기술대학교 기계자동차공학과)
  • Received : 2014.06.11
  • Accepted : 2014.06.27
  • Published : 2014.06.30
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Abstract

In this study, a parallel performance of CUPID-code has been investigated for both Ethernet and Infiniband network system to examine the effect of cache memory and network-speed. Bi-conjugate gradient solver of CUPID-code has been parallelised by using domain decomposition method and message passing interface (MPI). It is shown that the parallel performance of Ethernet-network system is worse than that of Infiniband-network system due to the slow network-speed and a small cache memory. It is also found that the parallel performance of each system deteriorates for a small problem due to the communication overhead, but the performance of Infiniband-network system is better than Ethernet-network system due to a much faster network-speed. For a large problem, the parallel performance depends less on network system.

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References

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