#!/bin/sh
#
# usage:  run-mpi processes program [ "program-parameters" ]
#
# assumes there is a file MPIhosts in the current directory containing
#   the names of the machines to use
#
if [ ".$2" = "." ]
then
	echo "Usage:  run-mpi processes program"
	exit
fi

if [ ! -r MPIhosts ]
then
	echo "Need file MPIhosts in this directory"
	exit
fi

mpipath=/usr/local/mpich-1.2.1/bin
cmd="$mpipath/mpirun -np $1 -machinefile MPIhosts $2 $3"
echo "running command:"
echo "$cmd"
$cmd