add IPC23 benchmarks #12

	name: Ubuntu

	# see https://github.community/t5/GitHub-Actions/How-to-trigger-an-action-on-push-or-pull-request-but-not-both/m-p/35805
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	build:

	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: [2.7, 3.6, 3.7, 3.8]

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}

	- name: Show environment
	run: \|
	python --version
	python3 -c "import multiprocessing as m; print('CPUs:', m.cpu_count())"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip tox

	- name: Check style
	if: matrix.python-version == '3.6'
	run: \|
	tox -e style

	- name: Run tests
	run: \|
	tox -e py

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