tutoMPI: mpi-start-wrapper.sh

#!/bin/bash

# Pull in the arguments.
MY_EXECUTABLE=`pwd`/$1
MPI_FLAVOR=$2

# Convert flavor to lowercase for passing to mpi-start.
MPI_FLAVOR_LOWER=`echo $MPI_FLAVOR | tr '[:upper:]' '[:lower:]'`

# Pull out the correct paths for the requested flavor.
eval MPI_PATH=`printenv MPI_${MPI_FLAVOR}_PATH`

# Ensure the prefix is correctly set.  Don't rely on the defaults.
eval I2G_${MPI_FLAVOR}_PREFIX=$MPI_PATH
export I2G_${MPI_FLAVOR}_PREFIX

# Touch the executable.  It exist must for the shared file system
check.
# If it does not, then mpi-start may try to distribute the executable
# when it shouldn't.
touch $MY_EXECUTABLE

# Setup for mpi-start.
export I2G_MPI_APPLICATION=$MY_EXECUTABLE
export I2G_MPI_APPLICATION_ARGS=
export I2G_MPI_TYPE=$MPI_FLAVOR_LOWER
export I2G_MPI_PRE_RUN_HOOK=mpi-hooks.sh
export I2G_MPI_POST_RUN_HOOK=mpi-hooks.sh

# If these are set then you will get more debugging information.
export I2G_MPI_START_VERBOSE=1
#export I2G_MPI_START_DEBUG=1

# Invoke mpi-start.
$I2G_MPI_START