PBS scripts for mpirun

#!/bin/bash
#PBS -l walltime=00:30:00
#PBS -l nodes=3:ppn=2
#PBS -N mypi
#PBS -V
cd $PBS_O_WORKDIR
/opt/openmpi-1.6.3-intel-pbs/bin/mpirun -mca btl_tcp_if_include eth0 -mca btl tcp,self -mca plm tm -np 6 fpi.x