Performances of MPI Datatypes Optimisations over NewMadeleine - Comparison multi_rail_withMemBind vs multi_rail

Runtime

LaBRI, INRIA Bordeaux - Sud-Ouest

High Performance Runtime Systems for Parallel Architectures


Tests performed on opteron with mxQuadrics

Datatype index

Gain for different sizes of blocks

Gain for 3 blocks

Gain for 6 blocks

Gain for 10 blocks

Datatype vector

Gain for different sizes of blocks

Gain for 3 blocks

Gain for 6 blocks

Gain for 10 blocks

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