Intel® MPI Benchmarks User Guide and Methodology Description

# Iallreduce_pure

The benchmark for the `MPI_Iallreduce` function that measures pure communication time. It reduces a vector of length `L = X/sizeof(float)` float items. The MPI data type is `MPI_FLOAT`. The MPI operation is `MPI_SUM`.

Property | Description
--- | ---
Measured pattern | `MPI_Iallreduce/MPI_Wait`
MPI data type | `MPI_FLOAT`
MPI operation | `MPI_SUM`
Reported timings | Bare time
Reported throughput | None