first working (hope) benchamrk workflow

.github/workflows/benchmarks.yml

@@ -0,0 +1,32 @@
+name: Python Benchamrks
+on:
+  push:
+    branches:
+      - master
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v1
+      - name: Run Benchmarks
+        run: |
+          pip install numpy pytest pytest-benchmark
+          pip install -e .
+          pytest tests/benchmarks/test_benchmarks.py --benchmark-json output.json
+      # Download previous benchmark result from cache (if exists)
+      - name: Download previous benchmark data
+        uses: actions/cache@v1
+        with:
+          path: ./cache
+          key: ${{ runner.os }}-benchmark
+      - name: Store benchmark result
+        uses: rhysd/github-action-benchmark@v1
+        with:
+          name: Python Benchmark with pytest-benchmark
+          tool: 'pytest'
+          output-file-path: output.json
+          # Personal access token to deploy GitHub Pages branch
+          github-token: ${{ secrets.PERSONAL_GITHUB_TOKEN }}
+          # Push and deploy GitHub pages branch automatically
+          auto-push: true