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Benchmark #60

	name: Benchmark

	on:
	pull_request:
	branches:
	- main
	push:
	branches:
	- main
	schedule:
	# every 12 hours
	- cron: '0 /12 * *'

	jobs:
	corpus:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-go@v5
	with:
	go-version: "1.26.6"

	- name: Clone + install Laravel corpus
	run: \|
	git clone --depth 1 https://github.com/laravel/framework laravel
	composer install --no-interaction --no-progress --ignore-platform-reqs --working-dir=laravel
	# drop intentionally-broken PHP fixtures
	rm -rf laravel/tests
	find laravel/vendor -depth -type d -name tests -exec rm -rf {} +

	- run: go build -o benchmark-corpus ./benchmark

	- name: Run benchmark (timed + memory)
	run: \|
	# average wall-clock over 5 runs
	bench() {
	total=0
	for i in $(seq 1 5); do
	start=$(date +%s%3N)
	"$@" > /dev/null
	end=$(date +%s%3N)
	total=$((total + end - start))
	done
	echo $((total / 5))
	}
	# peak resident set size (MB) of a single run
	mem() {
	/usr/bin/time -v "$@" 2>mem.log > /dev/null
	awk '/Maximum resident set size/{printf "%d", $NF/1024}' mem.log
	}
	ms=$(bench ./benchmark-corpus laravel)
	mb=$(mem ./benchmark-corpus laravel)
	files=$(./benchmark-corpus laravel \| awk '{print $2}')
	{
	echo "## Corpus benchmark"
	echo ""
	echo "Parsing the full Laravel framework (\`src/\` + Composer \`vendor/\`), average wall-clock over 5 runs."
	echo ""
	echo "\| Files \| Avg (5 runs) \| Peak mem \|"
	echo "\|------:\|-------------:\|---------:\|"
	echo "\| $files \| $ms ms \| $mb MB \|"
	} \| tee -a "$GITHUB_STEP_SUMMARY"