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#!/usr/bin/env bash
# allow user to override go executable by running as GOEXE=xxx make ...
GOEXE="${GOEXE-go}"
# Convenience script to
# - For a given branch
# - Run benchmark tests for a given package
# - Do the same for master
# - then compare the two runs with benchcmp
benchFilter=".*"
if (( $# < 2 ));
then
echo "USAGE: ./bench.sh <git-branch> <package-to-bench> (and <benchmark filter> (regexp, optional))"
exit 1
fi
if [ $# -eq 3 ]; then
benchFilter=$3
fi
BRANCH=$1
PACKAGE=$2
git checkout $BRANCH
"${GOEXE}" test -test.run=NONE -bench="$benchFilter" -test.benchmem=true ./$PACKAGE > /tmp/bench-$PACKAGE-$BRANCH.txt
git checkout master
"${GOEXE}" test -test.run=NONE -bench="$benchFilter" -test.benchmem=true ./$PACKAGE > /tmp/bench-$PACKAGE-master.txt
benchcmp /tmp/bench-$PACKAGE-master.txt /tmp/bench-$PACKAGE-$BRANCH.txt