Intel® MPI Benchmarks User Guide and Methodology Description

# Collective Benchmarks

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.