benchmark.yml

name: Run Benchmarks

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

permissions:
  contents: write

jobs:
  benchmark:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3

    - name: Setup Node.js
      uses: actions/setup-node@v3
      with:
        node-version: '18'

    - name: Install dependencies
      run: npm install

    - name: Build TypeScript
      run: npm run build

    - name: Setup Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.10'

    - name: Install Python dependencies
      run: |
        python -m pip install --upgrade pip
        pip install matplotlib numpy

    - name: Run benchmarks
      run: node dist/main.js

    - name: Generate plot
      run: python plot_benchmark.py

    - name: Configure Git
      if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      run: |
        git config user.name "GitHub Actions Bot"
        git config user.email "actions@github.com"

    - name: Create fresh results branch
      if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      run: |
        git checkout --orphan benchmark-results
        git rm -rf .
        mkdir -p benchmark-results

    - name: Move benchmark files
      if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      run: |
        mv output/benchmark.json benchmark-results/
        mv output/benchmark.png benchmark-results/
        mv output/benchmark.md benchmark-results/

    - name: Commit benchmark results
      if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        git add benchmark-results/
        git commit -m "Update benchmark results from $(date +'%Y-%m-%d %H:%M:%S') [skip ci]"
        git push -f https://${GITHUB_TOKEN}@github.com/${{ github.repository }} benchmark-results