Iallgatherv_pure

The benchmark for the MPI_Iallgatherv function that measures pure communication time. Every process inputs X bytes and receives the gathered X*np bytes, where np is the number of processes. Unlike Iallgather_pure, this benchmark shows whether MPI produces overhead.

Property

Description

Measured pattern

MPI_Iallgatherv/MPI_Wait

MPI data type

MPI_BYTE

Reported timings

Bare time

Reported throughput

None