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Comp. MPI_Gather-short and MPI_Gather-long

\epsfig{file=col_MPI_Gather-nodes-short.comp027.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_Gather-nodes-short
256 331.4 754.375 256 957.8 1827.1
Collective MPI_Gather-nodes-long
65536 26391.3 2425.04 65536 171214 2616.62

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Next: Comp. MPI_Alltoall-short and MPI_Alltoall-long Up: Comparisons Previous: Comp. MPI_Gather-short and MPI_Allgather-short   Contents
Per Ekman 2002-01-29