Reduce_scatter_block

The benchmark for the MPI_Reduce_scatter_block function. It reduces a vector of length L = X/sizeof(float)*np float items. The MPI data type is MPI_FLOAT. The MPI operation is MPI_SUM. In the scatter phase, the L items are split as evenly as possible.

Property

Description

Measured pattern

MPI_Reduce_scatter_block

MPI data type

MPI_FLOAT

MPI operation

MPI_SUM

Reported timings

Bare time

Reported throughput

None