#!/bin/bash
# this script will run an Octave script using MPI with a given hostfile,
# using a given number of ranks. Edit it to set the hostfile and number of nodes
# then use it as follows: allnodes <your_script_name.m> 
HOSTFILE="/home/user/tmp/bhosts"
NUMBER_OF_NODES="33"
mpirun -x LD_PRELOAD=libmpi.so --hostfile $HOSTFILE -np $NUMBER_OF_NODES octave -q --eval $1