bench

#!/bin/bash

####################################################################
# Intel Xeon Phi KNC benchmarking script
#
# by Alexander M. Albertian, 10 Dec 2016
#

# Do NOT set -e!

EXE="./dls9.mic"
DATA="dls9_count_data"

for fn in "$EXE" "$DATA"; do
	if [ ! -f "$fn" ]; then
		echo "*** ERROR: File \"$fn\" doesn't exist" >&2
		exit 1
	fi
done

chmod 0755 "$EXE" 2>&1 >/dev/null

MPIEXEC="$(which "mpiexec" 2>/dev/null | head -n 1 2>/dev/null)"

if [ -z "$MPIEXEC" ] || [ ! -x "$MPIEXEC" ]; then
	echo "*** ERROR: Can't find mpiexec" >&2
	exit 1
else
	echo "MPIEXEC : \"$MPIEXEC\"" >&2
fi

START=1
STEP=1

let "NPROC=$1" 2>/dev/null
let "STOP=$2" 2>/dev/null

if [ ! -z "$NPROC" ]; then
	START=$NPROC
fi
let START+=1

if [ -z "$STOP" ]; then
	STOP=280
fi
let STOP+=1

echo "  START = $START" >&2
echo "   STOP = $STOP" >&2
echo "   STEP = $STEP" >&2
echo >&2

if [ $START -lt 2 -o $START -gt $STOP ]; then
	echo "*** ERROR: Invalid number of processes" >&2
	exit 1
fi

for i in `seq $START $STEP $STOP`; do
	echo "= $i Ranks =============================" >&2

	"$MPIEXEC" -np $i "$EXE" "$DATA" -1 /dev/null >"$i.log" 2>&1
	RES=$?
	if [ $RES -ne 0 ]; then
		echo "*** ERROR: ($RES)" >&2
		exit 1
	fi

	echo "...Ok" >&2

	sleep 1s
done

exit 0