#!/bin/bash

# PBS script mpich-mpi_job.pbs -> pbs script to submit a MPICH-MPI job.
# Submit with "qsub -l nodes=#_of_nodes:ppn=1 mpich-mpi_job.pbs"
# where #_of_nodes is the number of nodes you are requesting for
# your MPICH-MPI job.

### Job name
#PBS -N mpich-mpi_job

### Output files
#PBS -o mpich-mpi_job.out
#PBS -e mpich-mpi_job.err

### Queue name
#PBS -q workq

### Script Commands
cd $PBS_O_WORKDIR
echo "Running MPICH-MPI program"

# get the number of nodes allocated to MPICH-MPI through PBS
NP=`(wc -l < $PBS_NODEFILE) | awk '{print $1}'`

# run the MPICH-MPI program
mpirun -machinefile $PBS_NODEFILE -np $NP ./mpich-mpi_program

exit 0