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Comp. MPI_Alltoall-long and MPI_Allgather-long

\epsfig{file=col_MPI_Alltoall-nodes-long.comp058.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_Allgather-nodes-long
64 1403 91233.1 64 54772.4 280433

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