simpler, more compatible benchmarking script

Makefile

@@ -56,9 +56,11 @@ install: all
 	install -d ${LADSPADEST}
 	install -m 644 ${SHOBJ} ${LADSPADEST}
 
+.PHONY: clean
 clean:
 	-rm -f ${ALL} bench ${BENCH}
 
+.PHONY: dist
 dist:
 	-rm -f ${FULLNAME}.tar.gz
 	mkdir -p ${FULLNAME}

bench.sh

@@ -1,19 +1,10 @@
-#!/bin/zsh
+#!/bin/bash
-local bench="$1"
+bench="$1"
-local against="$2"
+against="$2"
-local i x n=0 t m=9999
+
-finish() {
+TIMEFORMAT='%3R'
-    [ $n -gt 0 ] && printf "\nmin %.3f  avg %.3f  total %.3f\n" $m $((x/n)) $x
+for i in {1..8}; do
-    exit 0
+    time "$bench" "$against"
-}
+done 2>&1 >/dev/null | awk 'BEGIN{m=999;printf " …\033[90m"}
-trap finish INT
+{a+=$1;n++;m=$1<m?$1:m;printf " %6.3f",$1}
-echo -n "…"
+END{printf "\033[0m\nmin %6.3f  —  avg %6.3f  —  total %7.3f\n",m,a/n,a}'
-for ((i=0; i<8; i++)); do
-    sleep 0.5
-    t="$(TIMEFMT='%*E'$'\n'; (time "$bench" "$against") 2>&1)"
-    echo -n " ${t}"
-    let 'x += t'
-    let 'n += 1'
-    [[ $t < $m ]] && m=$t
-done
-finish