#!/bin/sh
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# Copyright (c) 2015-2020, 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
# Note: nodeverify.sh uses the same logic. For any update here,
# we will likely need to update the file as well.
MPICH_PREFIX=${MPICH_PREFIX:-`cat .prefix 2>/dev/null`}

trap "exit 1" SIGHUP SIGTERM SIGINT

if [ -z "$1" -o x"$1" = x"-h" -o x"$1" = x"--help" ]
then 
	echo " Usage: run_hpl number_processes"
	echo " For example: ./run_hpl2 2"
	echo "number_processes may be 'all' in which case one rank will be started for"
	echo "every process in the mpi_hosts file"
	exit 1
fi

NUM_PROCESSES=$1
APP=xhpl2
LOGFILE=
. ./prepare_run

ARCH=ICS.`uname -s`.`./get_mpi_blas.sh`

HPL_DIR="${PWD}/hpl-2.3/bin/${ARCH}"
HPL_CMD="./xhpl"

if [ $USING_MPD = y ]
then
    MPI_RUN_CMD_HPL="$MPI_RUN_CMD -wdir $HPL_DIR"
else
    MPI_RUN_CMD_HPL="$MPI_RUN_CMD"
fi

(
	echo " Running High Performance Computing Linkpack Benchmark (HPL) ..."
	show_mpi_hosts
	set -x
	cd $HPL_DIR; $MPI_RUN_CMD_HPL $HPL_CMD
	set +x
) 2>&1 | tee -i -a $LOGFILE
echo "########################################### " >> $LOGFILE
