Mpi4py

Description

MPI for Python (mpi4py) provides bindings of the Message Passing Interface (MPI) standard for the Python programming language, allowing any Python program to exploit multiple processors.

Documentation

mpi4py homepage

Access

Please refer to our Python page.

Usage

You will need also to load the openmpi/gcc modulefile in order to use mpi4py properly.

Here is an example of a submission script for Python 2.7:

#$ -cwd
#$ -l h_rt=01:00:00
#$ -pe ompi* 4

module purge
module load gcc openmpi/gcc python/2.7.2
mpirun python helloworld.py

Here is the content of helloworld.py:

#!/usr/bin/env python
from mpi4py import MPI
comm = MPI.COMM_WORLD
print "Hello! I'm rank %d from %d running in total..." % (comm.rank, comm.size)
comm.Barrier()