perf: optimize V8 engine by eliminating redundant instantiation #3

	name: Benchmarks

	on:
	workflow_dispatch:
	pull_request:
	branches: [main]
	paths:
	- 'src/rules/**'
	- 'benches/**'
	- '.github/workflows/benchmark.yml'

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: 1

	jobs:
	benchmark:
	runs-on: ubuntu-latest-8-cores

	steps:
	- uses: actions/checkout@v4

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

	- name: Setup Rust cache
	uses: Swatinem/rust-cache@v2
	with:
	shared-key: ${{ runner.os }}
	# Share cache with other Linux workflows
	cache-on-failure: true
	# Cache benchmark-specific dependencies
	cache-targets: true
	cache-all-crates: true

	- name: Build benchmarks first (populates cache)
	run: cargo build --release --bench rule_engines

	- name: Run benchmarks
	run: cargo bench --bench rule_engines

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

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