We offer tightly-integrated OpenMPI and MPICH2 on the HPCC.
MPI Selection (module)
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The default MPI module is mpi/openmpi-x86_64 (GNU CC/C++ & Fortran). If you wish to use the Intel compilers, or the MPICH2 MPI, you will need to edit your ~/.bashrc file, find the ‘MPI SELECTION’ section, and uncomment ONLY the MPI module that you with to use, before any MPI commands are run on the HPCC. |
C MPI on the Grid
More information: C/C++ on the HPCC (including MPI)
Fortran MPI on the Grid
Submitting a Fortran MPI Job
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Remember Job Management with job/slot limits for job queues. |
Create Fortran MPI Commands File
Create a .f file with your commands, for example: Fortran/Sample MPI Commands File
Compile Fortran MPI Code
Compile the .f commands file with the appropriate compiler:
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qrsh mpif90 -o your-commands-file your-commands-file.f |
Create Fortran MPI Job Script
Create a .sh file with at least the following contents:
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#!/bin/bash mpiexec your-commands-file |
Submit Fortran MPI Job
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qsub -pe openmpi 4 your-job-script.sh |
More information: Job Management