Thursday, July 22, 2010

Parallel Computing with Python and MPI

I installed PyMPI (version 2.5b0) on my CentOS 5.5 (as a VirtualBox guest system).
The following short demo works:
import mpi
import time
time.sleep(10)
print "Hello World! my rank=", mpi.rank, " group size is=", mpi.size
see screen capture:

Before installing PyMPI I installed these packages:
1. MPICH2
2. Python-develop

Installation of PyMPI:
1. ./configure --with-includes=-I/usr/local/include
2. make
3. make check
4. make install  (as root)

Good luck!

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