benchmark.yml

name: "benchmark"

on:
  # Run using manual triggers from GitHub UI:
  # https://docs.github.com/en/actions/managing-workflow-runs/manually-running-a-workflow
  workflow_dispatch: {}

  # Run on pushes to 'main' branch:
  push:
    branches:
      - "main"

# Queue up benchmark workflows for the same branch, so that results are reported in order:
concurrency:
  group: "${{ github.workflow }}-${{ github.ref_name }}"
  cancel-in-progress: false

jobs:
  benchmark:
    runs-on: "ubuntu-22.04" # _SLANG_DEV_CONTAINER_BASE_IMAGE_ (keep in sync)

    # Only run on the main repo (not forks):
    if: "${{ github.repository == 'NomicFoundation/slang' }}"

    steps:
      - name: "Checkout Repository"
        uses: "actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332"

      - name: "Restore Cache"
        uses: "./.github/actions/cache/restore"

        # Docker privileged mode is required for running Valgrind in CI:
      - name: "Add 'privileged: true' to 'devcontainer.json'"
        uses: "actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea"
        with:
          script: |
            const assert = require("assert");
            const fs = require("fs/promises");

            const devcontainerPath = "./.devcontainer/devcontainer.json";

            const input = await fs.readFile(devcontainerPath, "utf8");
            assert.equal(input[0], "{", "devcontainer file must start with a '{' character.");

            const output = input.replace("{", "{ \"privileged\": true,");
            await fs.writeFile(devcontainerPath, output);

      - name: "infra perf benchmark"
        uses: "./.github/actions/devcontainer/run"
        with:
          runCmd: "./scripts/bin/infra perf benchmark"
          env: |
            BENCHER_API_TOKEN=${{ secrets.BENCHER_API_TOKEN }}

      - name: "Upload Benchmarking Data"
        uses: "actions/upload-artifact@89ef406dd8d7e03cfd12d9e0a4a378f454709029"
        with:
          name: "benchmarking-data"
          path: "target/iai"
          if-no-files-found: "error"