FastSense/.github/workflows/benchmark.yml at main · HanSur94/FastSense · GitHub

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name: Benchmark

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

permissions:
  contents: write
  pull-requests: write

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

jobs:
  build-mex:
    name: Build MEX
    uses: ./.github/workflows/_build-mex-octave.yml
    with:
      artifact-name: mex-linux-bench

  benchmark:
    name: Performance Benchmark
    timeout-minutes: 60
    needs: build-mex
    runs-on: ubuntu-latest
    container: gnuoctave/octave:11.1.0
    env:
      FASTSENSE_SKIP_BUILD: "1"
      # Pin BLAS thread pools to single-threaded — eliminates contention with
      # neighboring tenants on shared GitHub runners. Trades absolute throughput
      # for reproducibility; benchmarks track relative regressions, not raw speed.
      OMP_NUM_THREADS: "1"
      OPENBLAS_NUM_THREADS: "1"
    steps:
      - uses: actions/checkout@v6

      - name: Download MEX binaries
        uses: actions/download-artifact@v8
        with:
          name: mex-linux-bench

      - name: Run benchmark
        run: |
          xvfb-run octave --eval "addpath(pwd); install(); addpath('scripts'); run_ci_benchmark();"

      - name: Fix git ownership
        run: git config --global --add safe.directory /__w/FastSense/FastSense

      - name: Store benchmark results
        uses: benchmark-action/github-action-benchmark@v1.22.0
        with:
          name: FastSense Performance
          tool: customSmallerIsBetter
          output-file-path: benchmark-results.json
          github-token: ${{ secrets.GITHUB_TOKEN }}
          auto-push: true
          alert-threshold: '110%'
          comment-on-alert: true
          fail-on-alert: false
          alert-comment-cc-users: '@HanSur94'