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Comp. MPI_Bcast-short and MPI_Bcast-long

\epsfig{file=col_MPI_Bcast-nodes-short.comp013.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_Bcast-nodes-short
256 11.4 21929.8 256 50.5 34653.5
Collective MPI_Bcast-nodes-long
65536 486.1 131660 65536 2250.9 199031

next up previous contents
Next: About this document ... Up: Comparisons Previous: Comp. MPI_Send and MPI_Ssend   Contents
Per Ekman 2002-10-03