benchmark-rust.yml

name: Benchmarks Rust

permissions: {}

on:
  workflow_dispatch:
  push:
    branches:
      - 'main'
    paths:
      - '**/*.rs'
      - 'Cargo.lock'
      - 'rust-toolchain.toml'
      - 'scripts/misc/setup-benchmark-input/**'
      - '.github/workflows/benchmark-rust.yml'
  pull_request:
    types: [opened, synchronize, ready_for_review]
    paths:
      - '**/*.rs'
      - 'Cargo.lock'
      - 'rust-toolchain.toml'
      - 'scripts/misc/setup-benchmark-input/**'
      - '.github/workflows/benchmark-rust.yml'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
  cancel-in-progress: ${{ github.ref_name != 'main' }}

jobs:
  codspeed-benchmark:
    name: Codspeed Benchmark
    if: >
      github.event_name != 'pull_request' ||
      (github.event.pull_request.draft != true &&
      !contains(github.event.pull_request.labels.*.name, 'graphite: merge-when-ready'))
    runs-on: ubuntu-latest
    steps:
      - uses: taiki-e/checkout-action@7d1e50e93dc4fb3bba58f85018fadf77898aee8b # v1.4.2

      - uses: voidzero-dev/setup-vp@8ecb39174989ce55af90f45cf55b02738599831d # v1.6.0
        with:
          cache: true

      - name: Setup Rust
        uses: oxc-project/setup-rust@23f38cfb0c04af97a055f76acee94d5be71c7c82 # v1.0.16
        with:
          tools: just, cargo-codspeed
          cache-key: codspeed
          save-cache: ${{ github.ref_name == 'main' }}

      - name: Setup Benchmark Input
        run: just setup-bench

      - name: Build benchmark
        env:
          RUSTFLAGS: '-C debuginfo=1 -C strip=none -g -C lto=false -C codegen-units=16 --cfg codspeed'
        run: |
          cargo build --release -p bench --bench bench --features codspeed
          mkdir -p target/codspeed/analysis/bench
          mv target/release/deps/bench-* target/codspeed/analysis/bench
          rm target/codspeed/analysis/bench/*.d

      - name: Run the benchmarks
        uses: CodSpeedHQ/action@d872884a306dd4853acf0f584f4b706cf0cc72a2 # v4.13.0
        with:
          run: cargo codspeed run -p bench
          token: ${{ secrets.CODSPEED_TOKEN }}
          mode: simulation