Intel® MPI Benchmarks User Guide and Methodology Description

# Allgatherv

The benchmark for the `MPI_Allgatherv` function. Every process inputs `X` bytes and receives the gathered `X*np` bytes, where `np` is the number of processes. Unlike `Allgather`, this benchmark shows whether MPI produces overhead.

Property | Description
--- | ---
Measured pattern | `MPI_Allgatherv`
MPI data type | `MPI_BYTE`
Reported timings | Bare time
Reported throughput | None