Visible to Intel only — GUID: GUID-B5A09F93-B155-4E96-93FF-6F76B8C55373
Measuring Communication and Computation Overlap
Measuring Pure Communication Time
Iallgather
Iallgather_pure
Iallgatherv
Iallgatherv_pure
Iallreduce
Iallreduce_pure
Ialltoall
Ialltoall_pure
Ialltoallv
Ialltoallv_pure
Ibarrier
Ibarrier_pure
Ibcast
Ibcast_pure
Igather
Igather_pure
Igatherv
Igatherv_pure
Ireduce
Ireduce_pure
Ireduce_scatter
Ireduce_scatter_pure
Iscatter
Iscatter_pure
Iscatterv
Iscatterv_pure
Visible to Intel only — GUID: GUID-B5A09F93-B155-4E96-93FF-6F76B8C55373
Alltoall
The benchmark for the MPI_Alltoall function. In the case of np number of processes, every process inputs X*np bytes (X for each process) and receives X*np bytes (X from each process).
Property |
Description |
---|---|
Measured pattern |
MPI_Alltoall |
MPI data type |
MPI_BYTE |
Reported timings |
Bare time |
Reported throughput |
None |