Add workflow tests for benchmarks #17

	name: Benchmarks

	on:
	push:
	branches: [ main ]
	pull_request:
	paths:
	- src/torchcodec/*
	- benchmarks/*
	- .github/workflows/benchmarks.yaml

	defaults:
	run:
	shell: bash -l -eo pipefail {0}

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	steps:
	- name: Check out repo
	uses: actions/checkout@v3

	- name: Setup conda env
	uses: conda-incubator/setup-miniconda@v2
	with:
	auto-update-conda: true
	miniconda-version: "latest"
	activate-environment: test
	python-version: '3.12'

	- name: Update pip
	run: python -m pip install --upgrade pip

	- name: Install FFmpeg, PyTorch and TorchAudio
	run: \|
	conda install "ffmpeg=6" pkg-config -c conda-forge
	conda install pytorch torchvision torchaudio cpuonly -c pytorch-nightly
	#python -m pip install --pre torch torchvision torchaudio --index-url https://download.pytorch.org/whl/nightly/cpu
	ffmpeg -version

	#- name: Download, build and install TorchVision
	# run: \|
	# git clone https://github.com/pytorch/vision.git
	# cd vision
	# python setup.py install

	- name: Install all other dependencies
	run: \|
	python -m pip install decord matplotlib pandas numpy

	- name: Build and install torchcodec
	run: \|
	python -m pip install -e ".[dev]" --no-build-isolation -vvv

	- name: Test generic decoder benchmark
	run: \|
	python benchmarks/decoders/benchmark_decoders.py --bm_video_speed_min_run_seconds 1

	- name: TEST README data geeneration benchmark
	run: \|
	python benchmarks/decoders/generate_readme_data.py --test_run

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