MCP #31

	name: Benchmarks

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

	jobs:
	bench:
	name: Criterion Benchmarks
	runs-on: ubuntu-latest
	permissions:
	contents: write
	packages: write
	pull-requests: write
	issues: write

	steps:
	- uses: actions/checkout@v4

	- name: Install Rust stable
	uses: dtolnay/rust-toolchain@stable

	- name: Cache cargo registry
	uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-bench-${{ hashFiles('**/Cargo.lock') }}

	- name: Run benchmarks
	run: cargo bench --bench search_benchmarks 2>&1 \| tee bench-output.txt

	- name: Upload benchmark results
	uses: actions/upload-artifact@v4
	with:
	name: criterion-reports
	path: target/criterion/
	retention-days: 30

	- name: Check for regressions
	run: \|
	if grep -q "Performance has regressed" bench-output.txt; then
	echo "::warning::Criterion detected a performance regression. Check logs for details."
	cat bench-output.txt
	fi

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