Micro-optimization #20

	name: Benchmarks

	on:
	pull_request:
	branches:
	- master

	jobs:
	benchmark:
	name: Benchmarks
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v5

	- name: Install uv
	uses: astral-sh/setup-uv@v6

	- name: Set up Python 3.14
	uses: actions/setup-python@v5
	with:
	python-version: "3.14"

	- name: Install dependencies
	run: uv sync

	# On PRs: run benchmarks twice (PR code vs master code) and compare
	- name: Run benchmarks
	run: \|
	# Checkout master version of patchdiff directory
	git fetch origin master
	git checkout origin/master -- patchdiff/

	# Run benchmarks with master code as baseline
	uv run --no-sync pytest benchmarks/benchmark.py \
	--benchmark-only \
	--benchmark-save=master \
	--benchmark-sort=mean \|\| true

	# Restore PR code
	git checkout HEAD -- patchdiff/

	# Run benchmarks on PR code and compare
	uv run --no-sync pytest benchmarks/benchmark.py \
	--benchmark-only \
	--benchmark-compare \
	--benchmark-compare-fail=mean:5% \
	--benchmark-save=branch \
	--benchmark-sort=mean

	- name: Upload benchmarks
	if: always()
	uses: actions/upload-artifact@v4
	with:
	name: Benchmarks
	path: .benchmarks/
	include-hidden-files: true

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