tests/benchmark.sh: added a benchmark script for build and execution …

…performance

resources/tests/benchmark.sh

@@ -0,0 +1,95 @@
+#!/bin/bash -e
+
+EXAMPLES=(
+	Instruments/airharp
+	PureData/hello-sound
+	Audio/telephone-filter
+	Analog/analog-output
+	Fundamentals/sinetone
+	Salt/pink-trombone
+)
+PROJECTS=() # automatically populated below
+
+SETUP=0
+BUILD=0
+RUN=0
+
+while [ -n "$1" ]
+do
+	case $1 in
+	setup)
+		SETUP=1
+	;;
+	build)
+		BUILD=1
+	;;
+	run)
+		RUN=1
+	;;
+	*)
+		cat <(\
+		echo "usage: $0 [setup] [build] [dontrebuild] [run]"
+		echo "  default: \`$0 setup build run'"
+		echo "    if one or more of setup, build or run are specified, the others are disabled unless explicitly enabled"
+		echo "  setup: initialise projects in projects/bc_* from examples"
+		echo "  build: benchmark build of projects (by force rebuilding)"
+		echo "  run: benchmark run"
+		) >&2
+		exit 1;
+	;;
+	esac
+	shift;
+done
+
+if [ 0 -eq $SETUP -a 0 -eq $BUILD -a 0 -eq $RUN ]; then
+	SETUP=1
+	BUILD=1
+	RUN=1
+fi
+
+for e in ${EXAMPLES[@]}; do
+	PROJECTS+=(bc_$(echo $e | sed s:/:-:))
+done
+
+for (( n=0; n<${#EXAMPLES[@]}; n++ )); do
+	e=${EXAMPLES[$n]}
+	p=${PROJECTS[$n]}
+	if [ $SETUP -eq 1 -o ! -d projects/$p ]; then
+		mkdir -p projects/$p
+		rsync -ac examples/$e/* projects/$p/
+	fi
+done
+
+if [ 1 -eq $BUILD ]; then
+	echo "========build========"
+	# ensure everything else is built before we go ahead and time the project build
+	make lib > /dev/null
+	make PROJECT=${PROJECTS[0]} build/core/default_libpd_render.o build/core/default_main.o > /dev/null
+	for p in "${PROJECTS[@]}"; do
+		if [ $BUILD -eq 1 ]; then
+			make PROJECT=$p clean > /dev/null
+			srcs=$(ls $PWD/projects/$p/*.cpp 2> /dev/null || true)
+			objs=$(\
+			for a in $srcs; do
+				printf "$a " | sed "s \(projects/$p\)/\(.*\).cpp \1/build/\2.o g"
+			done
+			)
+			# annoyingly to get the output of `time` one needs to eval it
+			if [ -n "$objs" ]; then
+				eval "time make PROJECT=$p $objs" 2>&1 | grep real | sed 's/real[ \t]*//' | cat <(printf "$p compile: ") -
+			fi
+			eval "time make PROJECT=$p" 2>&1 | grep real | sed 's/real[ \t]*//' | cat <(printf "$p link: ") -
+		fi
+	done
+fi
+
+if [ 1 -eq $RUN ]; then
+	echo "========run========"
+	for p in ${PROJECTS[@]}; do
+		printf "building $p\r"
+		make PROJECT=$p > /dev/null
+		printf "$(tput el)"
+		printf "$p: "
+		make PROJECT=$p CL='--board=Batch --codec-mode="s=1,p=95,t=2"' run | grep cpu:
+	done
+fi