# intel-mpi

## Summary

+ **Module Name:** impi
+ **Support Level:** Primary Support
+ **Software Access Level:** Limited Licenses
+ **Home Page:** [https://software.intel.com/en-us/intel-mpi-library](https://software.intel.com/en-us/intel-mpi-library)

## Software Description

The Intel MPI libraries allow for high performance MPI message passing
between processes. They are part of the Intel Cluster Studio package,
and are available on MSI systems.
## General Linux

To load this software
[interactively](https://www.msi.umn.edu/remote-access) in a Linux
environment run the command:

    module load impi

Intel MPI compiling commands use special syntax.  To compile a code
using Intel compilers and Intel MPI the commands are:

- mpiicc(C code)
- mpiicpc(C++ code)
- mpiifort(Fortran code)

To compile code using GNU compilers and Intel MPI the commands are:

- mpicc (C code)
- mpic++(C++ code)
- mpif90(Fortran code)

The most accurate and thorough Intel MPI documentation is provided by
Intel and is available at:
<http://software.intel.com/en-us/articles/intel-mpi-library-documentation>
## Slurm Example


	#!/bin/bash
	#SBATCH --job-name="rfm_RunIntelMPITest_job"
	#SBATCH --ntasks=4
	#SBATCH --ntasks-per-node=4
	#SBATCH --output=rfm_RunIntelMPITest_job.out
	#SBATCH --error=rfm_RunIntelMPITest_job.err
	#SBATCH --time=0:10:0
	#SBATCH -p msismall
	module load impi/intel
	wget https://public.s3.msi.umn.edu/reframe/sw/impi/hello-mpi.exe
	wget https://public.s3.msi.umn.edu/reframe/sw/impi/hello-mpi.o
	chmod +x hello-mpi.exe
	mpirun -np 4 ./hello-mpi.exe