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Comp. MPI_Alltoall-long and MPI_Scatter-long

\epsfig{file=col_MPI_Alltoall-nodes-long.comp066.eps}
msg. len. latency bandwidth msg. len latency bandwidth
[1024 units] [$\mu$s] [1024 units/s] [1024 units] [$\mu$s] [1024 units/s]
Min. msg. length Max. msg. length
(other params also min.) (other params also max.)
Collective MPI_Alltoall-nodes-long
64 46824 2733.64 64 782515 4580.11
Collective MPI_Scatter-nodes-long
64 26031.8 2458.53 64 161960 2766.11

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