#! /bin/bash

set -u

# Files and directories
binDir="bin"
calcDir="calculation"
PHLDir="../papihighlevel"
PHLLibDir="lib"
PAPIDir="${PHLDir}/papi"
PAPILibDir="src"
PAPIPFMDir="libpfm-3.y/lib"

# Param
binList="asm_cache_comm c_cache_comm pipe_comm shared_mem_comm shared_mem_opt_comm jikes_barrier_comm fake_comm" # Type de communication
nbProdList="1" # Nombre de cores producteurs
typeProdList="none matrice useless_loop" # Methode pour produire les valeurs
typeCacheList="L2 mem" # Niveau de cache partage

# Const
nbIter="5000000" # Nb de lignes produites
sizeBuf="1" # En nombre de lignes de cache

# Nom generique des fichiers de log
logFileName="\$perfDirName/cache_\$typeCache-nbProd_\$nbProd-typeProd_\$typeProd-argTypeProd_\$argTypeProd-nbIter_\$nbIter-\$bin.log"
expDirName="logs"
perfDirName="$expDirName/perfCommMulti-`date +'%F-%Hh%Mm%S'`"

LD_LIBRARY_PATH="${LD_LIBRARY_PATH:-}${LD_LIBRARY_PATH:+:}${PHLDir}/${PHLLibDir}:${PAPIDir}/${PAPILibDir}:${PAPIDir}/${PAPILibDir}/${PAPIPFMDir}"

PAPILibPresent=""
PFMLibPresent=""
papiHighLevelLibPresent=""
LD_LIBRARY_PATH_LEFT="${LD_LIBRARY_PATH}:"
while [ -n "${LD_LIBRARY_PATH_LEFT}" ]
do
	aLibDir="${LD_LIBRARY_PATH_LEFT%%:*}"
	if [ -x ${aLibDir}/libpapi.so.3 ]
	then
		PAPILibPresent="1";
	fi
	if [ -x ${aLibDir}/libpfm.so.3 ]
	then
		PHLLibPresent="1";
	fi
	if [ -x ${aLibDir}/libpapihighlevel.so ]
	then
		PHLLibPresent="1";
	fi
	if [ -n "${PAPILibPresent}" -a -n "${PHLLibPresent}" -a -n "${PFMLibPresent}" ]
	then
		break
	fi
	LD_LIBRARY_PATH_LEFT="${LD_LIBRARY_PATH_LEFT#*:}"
done
if [ -z "${PAPILibPresent}" -o -z "${PHLLibPresent}" ]
then
	echo "Libraries needed for this bench not accessible by \$LD_LIBRARY_PATH" > /dev/stderr # Is there a better way to display something on stderr ?
	exit 1
fi

unset PAPILibPresent
unset PHLLibPresent
unset LD_LIBRARY_PATH_LEFT
export LD_LIBRARY_PATH

[ -d "$expDirName" ] || mkdir "$expDirName"
[ -d "$perfDirName" ] || mkdir "$perfDirName"

function_run () {
	case $typeProd in
		"none" ) optTypeProd="" ;;
		"matrice" ) optTypeProd="-c lib/${calcDir}/libcalc_mat.so 16" ;;
		"useless_loop" ) optTypeProd="-c lib/${calcDir}/libcalc_useless_loop.so ${nb_useless_loop}" ;;
		* ) exit 1 ;;
	esac
	case $typeCache in
		"mem" ) optTypeCache="" ;;
		"L2" ) optTypeCache="-s" ;;
		* ) exit 1 ;;
	esac

	make $binDir/$bin
	echo "On lance : \"${bin##*/} $optTypeCache $optTypeProd -p $nbProd -n $nbIter\""
	beginingDate=`date +%s`

	( $binDir/$bin $optTypeCache $optTypeProd -p $nbProd -n $nbIter || echo "echec experience" ) | eval tee $logFileName
	endDate=`date +%s`
	duration_sec=`expr \( $endDate - $beginingDate \) % 60`
	duration_min=`expr \( $endDate - $beginingDate \) / 60`
	duration_hrs=`expr $duration_min / 60`
	duration_min=`expr $duration_min % 60`
	
	echo "Fin de l'experience : `date +'%H:%M:%S (%d/%m/%y)'`"
	echo "La duree est de : ${duration_hrs}hrs ${duration_min}min ${duration_sec}sec"
	echo ""
}



echo -e "On commence les perfs\n"
globalBeginingDate=`date +%s`

for nbProd in $nbProdList ; do
	for typeProd in $typeProdList; do
		for typeCache in $typeCacheList ; do
			for bin in $binList ; do
				case $typeProd in
					"useless_loop" )
						case $bin in
							"jikes_barrier_comm" | "asm_cache_comm" | "c_cache_comm" )
								for argTypeProd in `seq 1 50 5` ; do
									function_run ;
								done ;;
							* )
								argTypeProd=1 ;
								function_run ;;
						esac ;;
					"matrice" )
						argTypeProd=16 ;
						function_run ;;
					* )
						argTypeProd=1 ;
						function_run ;;
				esac
			done
		done
	done
done

globalEndDate=`date +%s`
globalDuration_sec=`expr \( $globalEndDate - $globalBeginingDate \) % 60`
globalDuration_min=`expr \( $globalEndDate - $globalBeginingDate \) / 60`
globalDuration_hrs=`expr $globalDuration_min / 60`
globalDuration_min=`expr $globalDuration_min % 60`

echo "Fin de la serie d'experience : `date +'%H:%M:%S (%d/%m/%y)'`"
echo "La duree totale est de : ${globalDuration_hrs}hrs ${globalDuration_min}min ${globalDuration_sec}sec"