benchmarks.yml

name: Nightly Benchmarks

on:
  schedule:
    - cron: '0 2 * * *'  # daily at 02:00 UTC
  workflow_dispatch:

permissions:
  contents: write

jobs:
  run-benchmarks:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: |
          python -m pip install -U pip
          python -m pip install numpy scipy matplotlib
          python -m pip install -e .

      - name: Run Python benchmarks
        run: |
          python scripts/run_benchmarks.py --csv benchmark_results.csv --plot benchmark_results.png

      - name: Prepare gh-pages data
        run: |
          mkdir -p gh-pages-data
          TS=$(date -u +"%Y%m%d-%H%M%S")
          cp benchmark_results.csv gh-pages-data/results-$TS.csv
          cp benchmark_results.png gh-pages-data/results-$TS.png
          # Also keep latest copy
          cp benchmark_results.csv gh-pages-data/latest.csv
          cp benchmark_results.png gh-pages-data/latest.png

      - name: Upload benchmark artifacts
        uses: actions/upload-artifact@v4
        with:
          name: benchmark-results
          path: |
            benchmark_results.csv
            benchmark_results.png

      - name: Push to gh-pages branch
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          branch: gh-pages
          folder: gh-pages-data
          clean: false
          target-folder: data/benchmarks