Open MPI Installation

In Ubuntu, key in the following command:

• apt-get install openmpi-bin openmpi-doc libopenmpi-dev
• reference: http://www.cs.ucsb.edu/~hnielsen/cs140/openmpi-install.html 

 In order to test if your setup is correct, download this sample open MPI file

• http://www.eclipse.org/ptp/documentation/2.1/org.eclipse.ptp.pldt.help/html/samples/testMPI.c

Then execute the following commands:

• mpicc -o testMPI testMPI.c
• mpirun -np 4 testMPI 
• reference: http://wiki.eclipse.org/PTP/release_notes/4.0

where the parameter -np specifies the number of cores you would like to run the test file.