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Comp. MPI_Reduce and MPI_Scan

\epsfig{file=col_MPI_Reduce-length.comp013.eps}
\epsfig{file=col_MPI_Reduce-length.comp.nt014.eps}
msg. len. latency bandwidth msg. len latency bandwidth
[units] [$\mu$s] [units/s] [1024 units] [$\mu$s] [1024 units/s]
Min. msg. length Max. msg. length
Collective MPI_Reduce-length
0 161.1 0 2730.66 116571 351373
Collective MPI_Scan-length
0 190.9 0 2730.66 153252 267271

next up previous contents
Next: Comp. MPI_Bcast-short and MPI_Bcast-long Up: Comparisons Previous: Comp. MPI_Send and MPI_Ssend   Contents
Per Ekman 2002-01-31