Intel® MPI Benchmarks

About this Document

This User's Guide provides a complete description of the Intel® MPI Benchmarks, including usage information and detailed description of each benchmark.

The following conventions are used in this document:

Style

Description

Barrier

The benchmark for the MPI_Barrier function.

Property

Description

Measured pattern

MPI_Barrier

Reported timings

P_[ACTION]_expl

P_[ACTION]_expl follows the same access pattern as P_[ACTION]_indv with an explicit file pointer type. See the basic definitions and a schematic view of the pattern below.

Iallreduce

The benchmark for MPI_Iallreduce that measures communication and computation overlap.

Property

Description

Measured pattern

Fetch_and_op

This benchmark measures the MPI_Fetch_and_op operation in passive target communication mode. The benchmark runs on two active processes. The target process is waiting in the MPI_Barrier call.

Property

订阅 Intel® MPI Benchmarks