Visible to Intel only — GUID: GUID-BC6B91A4-9E78-4197-B1C2-FDE66D2A190B
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-BC6B91A4-9E78-4197-B1C2-FDE66D2A190B
Fetch_and_op
This benchmark measures the MPI_Fetch_and_op operation in passive target communication mode. The benchmark runs on two active processes. The target process is waiting in the MPI_Barrier call.
Property |
Description |
---|---|
Measuredpattern |
MPI_Fetch_and_op/MPI_Win_flush |
MPI data type |
MPI_FLOAT (origin and target) |
MPI operation |
MPI_SUM |
Reportedtimings |
Bare time |
Reportedthroughput |
MBps |