ci: compare benchmark on every pull request

.github/workflows/bench-release.yml

@@ -7,7 +7,7 @@ on:
 
 jobs:
   bench_release:
-    # if: ${{ startsWith(github.event.head_commit.message, 'bump:') }}
+    if: ${{ startsWith(github.event.head_commit.message, 'bump:') }}
     runs-on: ubuntu-latest
     steps:
     - name: Check out

.github/workflows/pr-tests.yaml

@@ -64,3 +64,37 @@ jobs:
         name: django-streams
         fail_ci_if_error: true
         token: ${{secrets.CODECOV_TOKEN}}
+
+  bench:
+    # do not run on bench commits, which have automatically been generated by the bench_release job
+    if: ${{ !startsWith(github.event.head_commit.message, 'bench:') }}
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - name: Setup python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.13'
+        architecture: x64
+    - name: Set Cache
+      uses: actions/cache@v4
+      id: cache  # name for referring later
+      with:
+        path: .venv/
+        # The cache key depends on poetry.lock
+        key: ${{ runner.os }}-cache-${{ hashFiles('poetry.lock') }}-313
+        restore-keys: |
+          ${{ runner.os }}-cache-
+          ${{ runner.os }}-
+    - name: Install Dependencies
+      # if: steps.cache.outputs.cache-hit != 'true'
+      run: |
+        python -m pip install -U pip poetry
+        poetry --version
+        poetry config --local virtualenvs.in-project true
+        poetry install
+    - name: Benchmark regression test
+      run: |
+        ./scripts/compare-benchmark