On The Insider: Britney's Bikini-Clad Top 10
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Overview:

Clusters of several thousand nodes interconnected with InniBand, an emerging high-performance interconnect, have already appeared in the Top 500 list. The next-generation InniBand clusters are expected to be even larger with tens-of-thousands of nodes. A high-performance scalable MPI design is crucial for MPI applications in order to exploit the massive potential for parallelism in these very large clusters. MVAPICH is a popular implementation of MPI over InniBand based on its reliable connection oriented model. The requirement of this model to make communication buffers available for each connection imposes a memory scalability problem. In order to mitigate this issue, the latest InniBand standard includes a new feature called Shared Receive Queue (SRQ) which allows sharing of communication buffers across multiple connections.

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Format:PDFSize:223 KB
Date:Jan 2008
Pages:10

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