openmpi: OpenMPI implementation of Message Passing Interface

Contents

1. Overview of package
   1. General usage
2. Availability of package by cluster

Overview of package

General information about package

Package:	openmpi
Description:	OpenMPI implementation of Message Passing Interface
For more information:	http://www.open-mpi.org
Categories:	SoftwareDevelopment
License:	OpenSource (BSD 3-clause)

General usage information

The Message Passing Interface (MPI) is a standard for message passing which forms the basis of most distributed memory parallel codes. OpenMPI is an open library implementing the MPI standard.

This module will add the commands mpirun and mpiexec for starting MPI-enabled applications - to your path, as well as the compiler wrappers - mpicc, mpic++, and mpifort for the C, C++, and Fortran languages, respectively.

The following environmental variables have been defined:

• \$OPENMPI_ROOT has been set to the root of the openmpi installation
• \$OPENMPI_LIBDIR points to the directory containing the libraries
• \$OPENMPI_INCDIR points to the directory containing the header files

You will probably wish to use these by adding the following flags to your compilation command (e.g. to CFLAGS in your Makefile):

• -I\$OPENMPI_INCDIR

and the following flags to your link command (e.g. LDFLAGS in your Makefile):

• -L\$OPENMPI_LIBDIR -Wl,-rpath,\$OPENMPI_LIBDIR

You might need to provide the above variables to the configuration script, etc. when compiling codes, and/or use the compiler wrappers listed above.

Available versions of the package openmpi, by cluster

This section lists the available versions of the package openmpion the different clusters.

Available versions of openmpi on the Zaratab cluster

Available versions of openmpi on the Zaratab cluster

Version	Module tags	CPU(s) optimized for	GPU ready?
3.1.5	openmpi/3.1.5	zen	Y
4.1.5	openmpi/4.1.5	icelake, x86_64, zen2	Y
4.1.1	openmpi/4.1.1	x86_64, zen2	Y

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