name: Benchmark

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]
  # `workflow_dispatch` allows CodSpeed to trigger
  workflow_dispatch:

permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    permissions:
      contents: read # clone repo
    steps:
      - name: Checkout
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
        with:
          submodules: true
          persist-credentials: false

      - name: Setup Deno
        uses: denoland/setup-deno@667a34cdef165d8d2b2e98dde39547c9daac7282 # v2.0.4
        with:
          deno-version: v2.x

      - name: Cache WASM
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        id: wasm-cache
        with:
          path: |
            clayterm.wasm
            wasm.ts
          key: wasm-${{ hashFiles('Makefile', 'src/**', 'tasks/bundle-wasm.ts') }}

      - name: Build WASM
        if: steps.wasm-cache.outputs.cache-hit != 'true'
        run: make

      - name: Cache dependencies
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        id: deno-cache
        with:
          path: node_modules
          key: deno-${{ hashFiles('deno.lock') }}

      - name: Install dependencies
        if: steps.deno-cache.outputs.cache-hit != 'true'
        run: deno install

      - name: Upload build artifact
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: bench-build
          retention-days: 1
          path: wasm.ts

  simulation:
    name: Run benchmarks (simulation)
    needs: build
    runs-on: codspeed-macro
    permissions:
      contents: read # clone repo
      id-token: write # upload benchmark results to codspeed

    steps:
      - name: Checkout
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - name: Setup Deno
        uses: denoland/setup-deno@667a34cdef165d8d2b2e98dde39547c9daac7282 # v2.0.4
        with:
          deno-version: v2.x

      - name: Setup Node
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: 24

      - name: Download build artifact
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          name: bench-build

      - name: Restore dependencies
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        id: deno-cache
        with:
          path: node_modules
          key: deno-${{ hashFiles('deno.lock') }}

      - name: Install dependencies
        if: steps.deno-cache.outputs.cache-hit != 'true'
        run: deno install

      - name: Run benchmarks
        uses: CodSpeedHQ/action@9d332c4d90b43981c3e55ae8e38e68709996240f # v4.17.0
        with:
          mode: simulation
          # IMPORTANT! deno task bench fails in CI due to incompatible V8 bindings
          run: node bench/mod.ts

  walltime:
    name: Run benchmarks (walltime)
    needs: build
    runs-on: codspeed-macro
    permissions:
      contents: read # clone repo
      id-token: write # upload benchmark results to codspeed

    steps:
      - name: Checkout
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3

      - name: Setup Deno
        uses: denoland/setup-deno@667a34cdef165d8d2b2e98dde39547c9daac7282 # v2.0.4
        with:
          deno-version: v2.x

      - name: Setup Node
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: 24

      - name: Download build artifact
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          name: bench-build

      - name: Restore dependencies
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        id: deno-cache
        with:
          path: node_modules
          key: deno-codspeed-${{ runner.arch }}-${{ hashFiles('deno.lock') }}

      - name: Install dependencies
        if: steps.deno-cache.outputs.cache-hit != 'true'
        run: deno install

      - name: Run process startup benchmarks
        uses: CodSpeedHQ/action@9d332c4d90b43981c3e55ae8e38e68709996240f # v4.17.0
        with:
          mode: walltime
          run: node bench/startup.bench.ts