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Comp. MPI_Allgather-short and MPI_Allgatherv-short

\epsfig{file=col_MPI_Allgather-nodes-short.comp055.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_Allgather-nodes-short
256 55.9 8944.54 256 348.6 172117
Collective MPI_Allgatherv-nodes-short
256 55.9 8944.54 256 512 117188

next up previous contents
Next: Comp. MPI_Alltoall-length and MPI_Allgather-length Up: Comparisons Previous: Comp. MPI_Allgather-long and MPI_Allgatherv-long   Contents
Per Ekman 2002-01-31