The Open MPI Project is an open source Message Passing Interface implementation that is developed and maintained by a consortium of academic, research, and industry partners. Open MPI is therefore able to combine the expertise, technologies, and resources from all across the High Performance Computing community in order to build the best MPI library available. Open MPI offers advantages for system and software vendors, application developers and computer science researchers.

Link is:
To add this path to the PATH variable:

If bash shell,for open mpi.

Add the following lines in your .bashrc file

export PATH=/opt/opempi/3.1.1/bin:$PATH

export LD_LIBRARY_PATH=/opt/opempi/3.1.1/lib

Run the command source .bashrc



For any queries, raise a ticket in the helpdesk or please contact System Administrator, #103,SERC.