#!/bin/sh
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# Copyright (c) 2015, Intel Corporation
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# [ICS VERSION STRING: unknown]

# BASE PATH TO MPI EXECUTABLES: To use an alternate location,
# either edit this line or set MPICH_PREFIX in your environment.
# see select_mpi for the set of default MPI selections
# default to MPI used for build
MPICH_PREFIX=${MPICH_PREFIX:-`cat .prefix 2>/dev/null`}

trap "exit 1" SIGHUP SIGTERM SIGINT

if [ -z "$1" -o "$1" = "-h" ]
then 
	echo " Usage: run_osu <number_of_processes> <command> <arg1> <arg2>...<argn> "
	echo " For example: ./run_osu 2 osu_allgatherv"
	echo " number_processes may be 'all' in which case one rank will be"
	echo " started for every process in the mpi_hosts file."
	echo " The remaining arguments are passed to the target command."
	echo
	echo " Commands are: osu_allgather, osu_allgatherv, osu_allreduce,"
	echo " osu_alltoall, osu_alltoallv, osu_barrier, osu_bcast, osu_gather,"
	echo " osu_gatherv, osu_reduce, osu_reduce_scatter, osu_scatter,"
	echo " osu_scatterv, osu_acc_latency, osu_get_bw, osu_get_latency,"
	echo " osu_passive_acc_latency, osu_passive_get_bw, osu_passive_get_latency"
	echo " osu_passive_put_bw, osu_passive_put_latency, osu_put_bibw,"
	echo " osu_put_bw, osu_put_latency, osu_bibw, osu_bw, osu_latency,"
	echo " osu_latency_mt, osu_mbw_mr, osu_multi_lat"
	exit 1
fi

BASE_DIR="osu-micro-benchmarks-3.8-July12/mpi/"
NUM_PROCESSES=$1
shift

if [ $# -lt 1 ]; then
	echo "You must specify an OSU benchmark."
	exit 1
fi

CMD=`find ${BASE_DIR} -name $1`
if [ -z ${CMD} ]; then
	echo "$1 is not a valid OSU benchmark."
	exit 1
fi

LOGFILE=
. ./prepare_run


(
	echo " Running $CMD ..."
	show_mpi_hosts
	set -x
	$MPI_RUN_CMD $CMD
	set +x
) 2>&1 | tee -i -a $LOGFILE
echo "########################################### " >> $LOGFILE