在集体沟通中获得更高的绩效

2004 IEEE International Conference on Cluster Computing (IEEE Cat. No.04EX935) Pub Date : 2004-09-20 DOI:10.1109/CLUSTR.2004.1392650

E. Chan, M. Heimlich, A. Purkayastha, R. V. D. Geijn

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引用次数: 0

摘要

只提供摘要形式。长期以来，人们一直认为对分布式内存并行计算机上的集体通信算法的研究已经枯竭。这个项目表明，作为广泛使用的库的一部分可用的实现不是最优的。我们通过实现“reduce-scatter”集体通信并与MPI的MPICH实现进行比较来证明这一点。报告大型集群的性能。

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Attaining higher performance in collective communication

Summary form only given. It has long been thought that research into collective communication algorithms on distributed-memory parallel computers has been exhausted. This project demonstrates that the implementations available as part of widely-used libraries are suboptimal. We demonstrate this through the implementation of the "reduce-scatter" collective communication and comparison with the MPICH implementation of MPI. Performance on a large cluster is reported.

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2004 IEEE International Conference on Cluster Computing (IEEE Cat. No.04EX935)

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