IntelĀ® MPI Benchmarks User Guide and Methodology Description
The following benchmarks belong to the collective class:
Bcast/multi-Bcast
Allgather/multi-Allgather
Allgatherv/multi-Allgatherv
Alltoall/multi-Alltoall
Alltoallv/multi-Alltoallv
Scatter/multi-Scatter
Scatterv/multi-Scatterv
Gather/multi-Gather
Gatherv/multi-Gatherv
Reduce/multi-Reduce
Reduce_scatter/multi-Reduce_scatter
Allreduce/multi-Allreduce
Barrier/multi-Barrier
See sections below for definitions of these benchmarks.