Ireduce_pure

The benchmark for the MPI_Ireduce 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. The root of the operation is changed round-robin.

Property

Description

Measured pattern

MPI_Ireduce/MPI_Wait

MPI data type

MPI_FLOAT

MPI operation

MPI_SUM

Root

i%num_procs in iteration i

Reported timings

Bare time

Reported throughput

None