한국전산유체공학회:학술대회논문집
- 2001.05a
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- Pages.149-154
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- 2001
Parallel Performance of Preconditioned Navier-Stokes Code on Myrinet Environment
Myrinet 환경에서 예조건화 Navier-Stokes 코드의 병렬처리 성능
Abstract
Parallel performance of a Myrinet based PC-cluster was tested and compared with a conventional Fast-Ethernet system. A preconditioned Navier-Stokes code was parallelized with domain decomposition technique, and used for the parallel performance test. Speed-up ratio was examined as a major performance parameter depending on the number of processor and the network topology. As was expected, Myrinet system shows a superior parallel performance to the Fast-Ethernet system even with a single network adpater for a dual processor SMP machine. A test for the dependency on problem size also shows that network communication speed is a crucial factor for parallelized computational fluid dynamics analysis and the Myrinet system is a plausible candidate for high performance parallel computing system.
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