领域分解方法在分布式计算环境下的并行性能

A. Mukaddes, A. Uragami
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引用次数: 2

摘要

分布式并行计算是并行计算中最有前途的发展趋势之一,它利用通过网络连接的通用工作站作为大型并行计算资源。在过去的二十年中,这种并行计算环境的使用的增长保证了并行有限元方法的兴趣。本文将基于领域分解技术的并行有限元方法应用于网络工作站和超级计算机的分布式并行环境。利用所开发的代码,解决了若干模型问题,并在8个Pentium IV PC集群和GP7000F工作站的网络上分析了并行性能。最后,使用1024台SR8000超级计算机解决了超过1100万自由度的超大规模问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Parallel performance of domain decomposition method on distributed computing environment
Distributed parallel computing, which uses general-purpose workstations connected by a network as a large parallel computing resource, is one of the most promising trends in parallel computing. Over the last two decades, the growth in the use of such parallel computing environment has ensured the interest on the parallel finite element method. In this work, parallel finite element method using domain decomposition technique has been adapted to the distributed parallel environment of networked workstations and the supercomputer. Using the developed code, several model problems are solved and the parallel performances are analyzed on the network of eight Pentium IV PC cluster and GP7000F workstations. Finally, very large size of problem over 11 million DOFs has been solved using 1024 SR8000 supercomputer.
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