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首页> 外文期刊>Concurrency and Computation >The performance and scalability of SHMEM and MPI-2 one-sided routines on a SGI Origin 2000 and a Cray T3E-600
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The performance and scalability of SHMEM and MPI-2 one-sided routines on a SGI Origin 2000 and a Cray T3E-600

机译:SHMEM和MPI-2单面例程在SGI Origin 2000和Cray T3E-600上的性能和可伸缩性

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摘要

This paper compares the performance and scalability of SHMEM and MPI-2 one-sided routines on different communication patterns for a SGI Origin 2000 and a Cray T3E-600. The communication tests were chosen to represent commonly used communication patterns with low contention (accessing distant messages, a circular right shift, a binary tree broadcast) to communication patterns with high contention (a 'naive' broadcast and an all-to-all). For all the tests and for small message sizes, the SHMEM implementation significantly outperformed the MPI-2 implementation for both the SGI Origin 2000 and Cray T3E-600.
机译:本文比较了SMEM Origin 2000和Cray T3E-600在不同通信模式下SHMEM和MPI-2单方面例程的性能和可伸缩性。选择通信测试以代表争用程度较低(访问远程消息,循环右移,二叉树广播)的常用通信模式,以代表争用程度较高的通信模式(“幼稚”广播和全部到所有人)。对于所有测试和小消息大小,对于SGI Origin 2000和Cray T3E-600,SHMEM的实现都明显优于MPI-2的实现。

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