Igather_pure

The benchmark for the MPI_Igather function that measures pure communication time. The root process inputs X*np bytes (X from each process). All processes receive X bytes. The root of the operation is changed round-robin.

Property

Description

Measured pattern

MPI_Igather/MPI_Wait

MPI data type

MPI_BYTE

Root

i%num_procs in iteration i

Reported timings

Bare time

Reported throughput

None

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