asv-nightly.yml

# This workflow will run daily at 06:45.
# It will run benchmarks with airspeed velocity (asv)
# and compare performance with the previous nightly build.
name: Run benchmarks nightly job

on:
  schedule:
    - cron: 45 6 * * *
  workflow_dispatch:
  
env:
  PYTHON_VERSION: "3.10"
  WORKING_DIR: ${{ github.workspace }}/benchmarks
  NIGHTLY_HASH_FILE: nightly-hash

jobs:
  asv-nightly:
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ${{ env.WORKING_DIR }}
    steps:
    - name: Checkout main branch of the repository
      uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: Cache Python ${{ env.PYTHON_VERSION }}
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: python-${{ env.PYTHON_VERSION }}
    - name: Set up Python ${{ env.PYTHON_VERSION }}
      uses: actions/setup-python@v4
      with:
        python-version: ${{ env.PYTHON_VERSION }}
    - name: Install dependencies
      run: |
        sudo apt-get update
        python -m pip install --upgrade pip
        pip install asv==0.6.1 virtualenv
    - name: Configure git
      run: |
        git config user.name "github-actions[bot]"
        git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
    - name: Create ASV machine config file
      run: asv machine --machine gh-runner --yes
    - name: Fetch previous results from the "benchmarks" branch
      run: |
        if git ls-remote --exit-code origin benchmarks > /dev/null 2>&1; then
          git merge origin/benchmarks \
            --allow-unrelated-histories \
            --no-commit
          mv ../_results .
        fi
    - name: Get nightly dates under comparison
      id: nightly-dates
      run: |
        echo "yesterday=$(date -d yesterday +'%Y-%m-%d')" >> $GITHUB_OUTPUT
        echo "today=$(date +'%Y-%m-%d')" >> $GITHUB_OUTPUT
    - name: Use last nightly commit hash from cache
      uses: actions/cache@v3
      with:
        path: ${{ env.WORKING_DIR }}
        key: nightly-results-${{ steps.nightly-dates.outputs.yesterday }}
    - name: Run comparison of main against last nightly build
      run: |
        HASH_FILE=${{ env.NIGHTLY_HASH_FILE }}
        CURRENT_HASH=${{ github.sha }}
        if [ -f $HASH_FILE ]; then          
          PREV_HASH=$(cat $HASH_FILE)
          asv continuous $PREV_HASH $CURRENT_HASH --verbose || true
          asv compare $PREV_HASH $CURRENT_HASH --sort ratio --verbose
        fi
        echo $CURRENT_HASH > $HASH_FILE
    - name: Update last nightly hash in cache
      uses: actions/cache@v3
      with:
        path: ${{ env.WORKING_DIR }}
        key: nightly-results-${{ steps.nightly-dates.outputs.today }}