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Comp. MPI_Alltoall-short and MPI_Scatter-short

\epsfig{file=col_MPI_Alltoall-nodes-short.comp067.eps}
msg. len. latency bandwidth msg. len latency bandwidth
[units] [$\mu$s] [1024 units/s] [units] [$\mu$s] [1024 units/s]
Min. msg. length Max. msg. length
(other params also min.) (other params also max.)
Collective MPI_Alltoall-nodes-short
256 428.7 1166.32 256 1614.1 8673.56
Collective MPI_Scatter-nodes-short
256 467 535.332 256 1250.8 1399.1

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Next: Comp. MPI_Alltoall-length and MPI_Alltoallv-length Up: Comparisons Previous: Comp. MPI_Alltoall-long and MPI_Scatter-long   Contents
Per Ekman 2002-01-29