Add pre-conditioning matrix to Barker proposal #767

	name: Benchmarks

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	benchmark:
	name: Run benchmarks
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ '3.10' ]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	- name: Set up benchmark environment
	run: \|
	python -m pip install -U pip
	pip install -r requirements.txt
	- name: Load previous benchmark data from cache
	uses: actions/cache@v3
	with:
	path: ./benchmark-cache
	key: benchmark
	- name: Run benchmarks
	run: \|
	pytest --benchmark-only --benchmark-json output.json
	- name: Write benchmark results
	uses: benchmark-action/github-action-benchmark@v1
	with:
	name: Python Benchmark with pytest-benchmark
	tool: 'pytest'
	output-file-path: output.json
	external-data-json-path: ./benchmark-cache/benchmark-data.json
	alert-threshold: '200%'
	github-token: ${{ secrets.GITHUB_TOKEN }}
	comment-on-alert: ${{ github.event_name == 'push' }}
	fail-on-alert: true
	auto-push: false

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