Added benchmark action with pytest-benchmark (#630) #1

	name: Benchmark XGI
	on:
	push:
	branches:
	- main
	workflow_dispatch:

	permissions:
	contents: write
	deployments: write

	jobs:
	benchmark:
	name: Run pytest-benchmark benchmarks
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: 3.13
	- name: Run benchmarks
	run: \|
	cd benchmarks
	pip install --upgrade pip
	pip install .[benchmark]
	pytest bench.py --benchmark-json output.json

	- name: Store benchmark results
	uses: benchmark-action/github-action-benchmark@v1
	with:
	name: Python Benchmark with pytest-benchmark
	tool: 'pytest'
	output-file-path: benchmarks/output.json
	# Use personal access token instead of GITHUB_TOKEN due to https://github.community/t/github-action-not-triggering-gh-pages-upon-push/16096
	github-token: ${{ secrets.GITHUB_TOKEN }}
	auto-push: true
	# Show alert with commit comment on detecting possible performance regression
	alert-threshold: '200%'
	comment-on-alert: false
	fail-on-alert: true

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