Visible to Intel only — GUID: GUID-371288C4-0EB7-4CF4-9A77-0E02ACEDB5B1
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-371288C4-0EB7-4CF4-9A77-0E02ACEDB5B1
Iallgatherv_pure
The benchmark for the MPI_Iallgatherv function that measures pure communication time. Every process inputs X bytes and receives the gathered X*np bytes, where np is the number of processes. Unlike Iallgather_pure, this benchmark shows whether MPI produces overhead.
Property |
Description |
---|---|
Measuredpattern |
MPI_Iallgatherv/MPI_Wait |
MPI data type |
MPI_BYTE |
Reportedtimings |
Bare time |
Reportedthroughput |
None |