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#!/bin/bash
#
set -e
ragel1=$1
ragel2=$2
targ_time=$3
shift 3
cases="$@"
if test -z "$cases"; then
cases="mailbox1 strings1 strings2 rlscan cppscan1"
fi
CFLAGS="-O3 -Wall -Wno-unused-but-set-variable -Wno-unused-variable"
tc()
{
ragel=$1
compiler=$2
seconds=$3
root=$4
$ragel -F1 -o $root.cpp $root.rl
$compiler $CFLAGS -DPERF_TEST -I../aapl -DS=${seconds}ll -o $root.bin $root.cpp
( time ./$root.bin ) 2>&1 | \
awk '/user/ { split( $2, a, "[ms]" ); printf( "%.3f\n", a[1] * 60 + a[2] ); }'
}
for c in $cases; do
time1=`tc $ragel1 g++ $targ_time $c`
time2=`tc $ragel2 g++ $targ_time $c`
speedup=`awk "BEGIN { printf( \"%.5f\n\", $time1 / $time2 ); }"`
echo -e "$c\t$time1 -> $time2\t$speedup" | expand -12,30
done
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