Verifying Open MPI

Procedure

1. Use PuTTY to log in to the server as the root user.
2. Run the following commands to load the environment variables:

   export PATH=/path/to/GNU/bin:/path/to/OPENMPI/bin:$PATH

   export LD_LIBRARY_PATH=/path/to/GNU/lib64:/path/to/OPENMPI/lib:$LD_LIBRARY_PATH

3. Check whether Open MPI is successfully installed.

   mpirun --version

   Open MPI is successfully installed if the following information is displayed:

   mpirun (Open MPI) 4.0.1
   Report bugs to http://www.open-mpi.org/community/help/