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Comp. MPI_Alltoall-long and MPI_Gather-long

\epsfig{file=col_MPI_Alltoall-nodes-long.comp062.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 1479.2 86533.3 64 46344.9 331428
Collective MPI_Gather-nodes-long
64 950.7 67318.8 64 8832.5 108689
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Next: Comp. MPI_Alltoall-short and MPI_Gather-short Up: Comparisons Previous: Comp. MPI_Alltoall-length and MPI_Gather-length   Contents
Per Ekman 2002-01-31