#!/bin/bash
# BEGIN_ICS_COPYRIGHT8 ****************************************
# 
# Copyright (c) 2015, 2017, Intel Corporation
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#
# This software is provided as “pre-release” software for the purpose of 
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# the software which has not completed final validation, may contain bugs or
# functional deficiencies, and may be modified by or for Intel prior to
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# END_ICS_COPYRIGHT8   ****************************************

# [ICS VERSION STRING: unknown]

# select an HPL.dat file and copy to all hosts
#   MPI_HOSTS  - mpi_hosts file to use (default is $PWD/mpi_hosts)

MPI_HOSTS=${MPI_HOSTS:-$PWD/mpi_hosts}

if [ $(echo $MPI_HOSTS|cut -c1) != '/' ]
then
	MPI_HOSTS="$PWD/$MPI_HOSTS"
fi

arch=ICS.`uname -s`.`./get_mpi_cc.sh`

TEMP_FILE="$(mktemp)"
trap "rm -rf $TEMP_FILE; exit 1" SIGINT SIGHUP SIGTERM
trap "rm -rf $TEMP_FILE" EXIT

Usage()
{
	echo " Usage: ./config_hpl2 [-l] config_name [problem_size]"
	echo "     -l - only configure local file, default is to configure on all mpi_hosts"
	echo " For example: ./config_hpl2 32t"
	echo " either create hpl-config/HPL.dat-'config_name'"
	echo " or select one of:"
	cd hpl-config; ls HPL.dat-*[!~]
	exit 2
}

lopt=n
while getopts l param
do
	case $param in
	l)	lopt="y";;
	*)	Usage;;
	esac
done
shift $((OPTIND-1))

if [ -z "$1" ]
then 
	Usage
else
	config_name=$1
fi
if [ $lopt = n -a ! -f $MPI_HOSTS ]
then
	echo " Please create $MPI_HOSTS file with the list of "
	echo " hosts in this cluster. One hostname per line."
	echo " See mpi_hosts.sample file"
	exit 1
fi

if [ ! -d hpl-2.2/bin/$arch ]
then
	echo " Could not find hpl2 compiled for $arch."
	echo " Please compile hpl2 using:"
	echo " make XHPL2"
	exit 1
fi
if [ ! -f hpl-config/HPL.dat-$config_name ]
then
	echo " HPL.dat file for $config_name is not available"
	echo " either create hpl-config/HPL.dat-$config_name"
	echo " or select one of:"
	cd hpl-config; ls HPL.dat-*[!~]
	exit 1
fi

file=hpl-config/HPL.dat-$config_name
if [ ! -z "$2" ]
then
	# change line 6 to requested problem size
	sed -e "6s/^[0-9]*/$2/" < $file > $TEMP_FILE
	if [ $lopt = n ]
	then
		opascpall -p -h "`sort -u $MPI_HOSTS`" $TEMP_FILE $PWD/hpl-2.2/bin/$arch/HPL.dat
	else
		# avoid any cp alias
		/bin/cp -f $TEMP_FILE $PWD/hpl-2.2/bin/$arch/HPL.dat
	fi
else
	if [ $lopt = n ]
	then
		opascpall -p -h "`sort -u $MPI_HOSTS`" $file $PWD/hpl-2.2/bin/$arch/HPL.dat
	else
		# avoid any cp alias
		/bin/cp -f $file $PWD/hpl-2.2/bin/$arch/HPL.dat
	fi
fi
