Add comprehensive benchmarking suite #3

	name: Performance Benchmark

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:
	benchmark:
	name: Run Performance Benchmarks
	runs-on: ubuntu-latest

	strategy:
	matrix:
	node-version: [0.8, 0.9, 0.10, 0.11, 0.12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20]
	fail-fast: false

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Install dependencies
	uses: ljharb/actions/node/install@main
	with:
	node-version: ${{ matrix.node-version }}

	- name: Install benchmark dependencies
	run: cd benchmark && npm install

	# For PRs: Run benchmarks and compare against committed baseline
	- name: Run benchmarks and compare against baseline
	if: ${{ github.event_name == 'pull_request' }}
	run: \|
	echo "==== Running benchmarks and comparing against baseline ===="
	# Run benchmarks using the compare script that uses the committed baseline
	npm run benchmark:compare

	# Print the Node.js version for debugging
	echo "Benchmark completed on Node.js version: $(node --version)"

	# For pushes to main: Run benchmarks against the committed baseline
	- name: Run benchmarks on main branch
	if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
	run: \|
	# Run benchmarks against the committed baseline
	npm run benchmark:compare

	# Print the Node.js version for debugging
	echo "Benchmark completed on Node.js version: $(node --version)"

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