Building a Beowulf Cluster/Parallelization of computation/MPI

As for MPI, you can install different implementations. Compiling and installing Mpich2 was very straightforward. The test again as for PVM should be spawning of /bin/hostname. The install guide is a great help in setting up MPICH2. On the master (node0) you type: mpd & mpdtrace -l And you should get back the node name (say node0) and port number (say 51227). Then you connect each node to by typing: mpd -h node0 -p 51227 After this, you can spawn processes with mpiexec: mpiexec -n 10 /bin/hostname. See also Message-Passing Interface/MPI function reference Message-Passing Interface