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Performance testing of a parallel multiblock CFD solver
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DOI：10.1177/109434200101500103.png)
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摘要
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A distributed-memory version of the OVERFLOW computational fluid dynamics code was evaluated on several parallel systems and compared with other approaches using test cases provided by the NASA-Boeing High-Speed Civil Transport program. A principal goal was to develop partitioning and load-balancing strategies that led to a reduction in computation time. We found multipartitioning, in which the aspect ratio of the multipartition is close to the aspect ratio of the grid zone, offered the best performance. The (uniprocessor) performance of the GRAY vector systems was superior to all other systems tested. However, the distributed-memory version when run on an SGI Origin system offers a price performance advantage over the GRAY vector systems. Performance on personal computer systems is promising but faces several hurdles.
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2.5
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