Visible to Intel only — GUID: GUID-4DDC368F-46BE-4A36-B3F8-E5BFF1F1BF9E
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-4DDC368F-46BE-4A36-B3F8-E5BFF1F1BF9E
Open_Close
The benchmark for the MPI_File_open/MPI_File_close functions. All processes open the same file. To avoid MPI implementation optimizations for an unused file, a negligible non-trivial action is performed with the file. See the basic definitions of the benchmark below.
Open_Close Definition
Property |
Description |
---|---|
Measured pattern |
MPI_File_o pen/MPI_File_close |
etype |
MPI_BYTE |
File type |
MPI_BYTE |
Reported timings |
t=Δt (in μsec), as indicated in the figure below. |
Reported throughput |
None |