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并行数值软件NAS在Myrinet2000上的通信方式研究

RESEARCH ON THE COMMUNICATION BEHAVIORS OF NAS PARALLEL BENCHMARKS ON MYRINET 2000
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摘要 本文作者在对“大规模科学计算研究”二号机群-深腾1800(国家重点基础研究发展 规划项目(973))进行并行数值实验时发现了一个奇特的现象: NPB2.4(NAS Parallel Benchmarks)中的LU程序在深腾1800的Myrinet 2000上的实际性能比同样计算节点 上的百兆以太网还要低.针对这一特殊现象,本文做了深入的研究,并进行了详细的分析.由 此得到了在机群网络Myrinet 2000上进行并行数值研究所需要注意的一些问题并提出了相 应的解决方案. A new phenomenon revealed, when we ran NAS Parallel Benchmarks on the PC Cluster of the 973 National Project “Large Scale Scientific Computation”. The LU suite runs much slower on Myrinet 2000 than 100M fast Ethernet. From this point, we made a lot of deep investigation and scrupulous analysis. Finally, we got the key issues deserved serious concern about parallel numerical programs on Myrinet 2000, as well as the corresponding solution.
作者 唐渊 孙家昶
出处 《数值计算与计算机应用》 CSCD 2005年第4期301-311,共11页 Journal on Numerical Methods and Computer Applications
基金 国家重点基础研究发展规划项目(973)<大规模科学计算研究>项目课题<大规模计算工程软件系统的基础理论和实施>(G1999032805)资助"高性能科学计算研究"项目课题"大规模并行计算研究"(2005CB321702)资助.
关键词 机群网络 并行数值软件NAS 通信方式 MYRINET 2000 百兆以太网 PC Cluster, Parallel Numerical Programs, Communication Behavior, Myrient 2000, 100M fast Ethernet
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参考文献12

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