#!/bin/bash

# BEGIN_ICS_COPYRIGHT8 ****************************************

# 

# Copyright (c) 2015, Intel Corporation

# 

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are met:

# 

#     * Redistributions of source code must retain the above copyright notice,

#       this list of conditions and the following disclaimer.

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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

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# [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