by Olivier Richard, Daniel Etiemble
http://www.lri.fr/~fci/goinfreWWW/SMM.ps
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Abstract:
CLUsters of MultiProcessors (CLUMPS) have an hybrid memory model, with message passing between nodes and shared memory inside nodes. We examine the performance of Myrinet clusters of SMP PCs when using a Single Memory Model (SMM) based on the MPICH-PM/CLUMP library of the RWCP, which can directly use the MPI programs written for a cluster of uniprocessors. The specicities of the communication patterns with the SMM approach are detailed. PC clusters with 2-way and 4-way nodes are considered and compared. 1
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