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Comp. MPI_Alltoall-short and MPI_Alltoallv-short

\epsfig{file=col_MPI_Alltoall-nodes-short.comp071.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 61.2 8169.93 256 616.7 97292
Collective MPI_Alltoallv-nodes-short
256 56.8 8802.82 256 529 113422

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Next: Comp. MPI_Gather-length and MPI_Gather_SR-length Up: Comparisons Previous: Comp. MPI_Alltoall-long and MPI_Alltoallv-long   Contents
Per Ekman 2002-01-31