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Comp. MPI_Reduce_scatter-nodes and MPI_Reduce-nodes

\epsfig{file=col_MPI_Reduce_scatter-nodes.comp035.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_Reduce_scatter-nodes
256 612.7 408.03 256 1356.7 1289.89
Collective MPI_Reduce-nodes
256 358.2 697.934 256 914.1 1914.45

next up previous contents
Next: Comp. MPI_Reduce_scatter-length and MPI_Reduce-length Up: Comparisons Previous: Comp. MPI_Allreduce-length and MPI_Reduce_Bcast-length   Contents
Per Ekman 2002-01-29