update branches #1

	name: Performance regression check
	on:
	push:
	branches:
	- master
	- 19/benchmarks-ci

	jobs:
	benchmark:
	strategy:
	matrix:
	os: [ubuntu-latest]
	runs-on: ${{matrix.os}}
	timeout-minutes: 60
	steps:
	- name: checkout
	uses: actions/checkout@v2
	with:
	submodules: recursive
	- name: setup zig
	uses: mlugg/setup-zig@v1
	with:
	version: 0.13.0

	# run benchmarks
	- name: benchmarks
	run: zig build -Doptimize=ReleaseSafe benchmark -- --metrics
	# Download previous benchmark result from cache (if exists)
	- name: Download previous benchmark data
	uses: actions/cache@v4
	with:
	path: ./cache
	key: ${{ runner.os }}-benchmark
	# Run `github-action-benchmark` action
	- name: Store benchmark result
	uses: benchmark-action/github-action-benchmark@v1
	with:
	# What benchmark tool the output.txt came from
	tool: "customSmallerIsBetter"
	# Where the output from the benchmark tool is stored
	output-file-path: results/output.txt
	# Where the previous data file is stored
	external-data-json-path: ./cache/benchmark-data.json
	# Workflow will fail when an alert happens
	fail-on-alert: true
	# Upload the updated cache file for the next job by actions/cache

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