Add pytest-benchmark to dev dependencies and run benchmark checks on PRs

.github/workflows/benchmark.yml

@@ -1,8 +1,9 @@
 name: Benchmark
 on:
   push:
-    branches:
-      - master
+    branches: [master]
+  pull_request:
+    branches: [master]
 
 permissions:
   contents: write
@@ -22,15 +23,15 @@ jobs:
       - name: Install deps
         run: |
           curl -LsSf https://astral.sh/uv/install.sh | sh
-          uv pip install --system -r requirements/fitting-requirements.txt
-          uv pip install --system pytest pytest-benchmark pytest-coverage
+          uv pip install --system -r requirements/dev-requirements.txt
       - name: Install module
         run: |
           uv pip install --system .
       - name: Run benchmark
         run: |
           pytest tests/benchmark*.py --benchmark-json output.json
       - name: Store benchmark result
+        if: github.ref == 'refs/heads/master'
         uses: benchmark-action/github-action-benchmark@v1
         with:
           name: Python Benchmark with pytest-benchmark
@@ -43,3 +44,16 @@ jobs:
           alert-threshold: "200%"
           comment-on-alert: true
           fail-on-alert: true
+      - name: Check benchmark threshold
+        if: github.ref != 'refs/heads/master'
+        uses: benchmark-action/github-action-benchmark@v1
+        with:
+          name: Python Benchmark with pytest-benchmark
+          tool: "pytest"
+          output-file-path: output.json
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          auto-push: false
+          # Show alert with commit comment on detecting possible performance regression
+          alert-threshold: "200%"
+          comment-on-alert: true
+          fail-on-alert: true

pyproject.toml

@@ -44,6 +44,7 @@ fitting = [
 ]
 dev = [
     "pytest",
+    "pytest-benchmark",
     "pytest-cov",
     "nbmake",
     "ruff==0.4.8",

requirements/dev-requirements.txt

@@ -784,6 +784,10 @@ pure-eval==0.2.2 \
     # via
     #   -r requirements/fitting-requirements.txt
     #   stack-data
+py-cpuinfo==9.0.0 \
+    --hash=sha256:3cdbbf3fac90dc6f118bfd64384f309edeadd902d7c8fb17f02ffa1fc3f49690 \
+    --hash=sha256:859625bc251f64e21f077d099d4162689c762b5d6a4c3c97553d56241c9674d5
+    # via pytest-benchmark
 pygments==2.18.0 \
     --hash=sha256:786ff802f32e91311bff3889f6e9a86e81505fe99f2735bb6d60ae0c5004f199 \
     --hash=sha256:b8e6aca0523f3ab76fee51799c488e38782ac06eafcf95e7ba832985c8e7b13a
@@ -803,7 +807,12 @@ pytest==8.2.2 \
     # via
     #   pyelli (pyproject.toml)
     #   nbmake
+    #   pytest-benchmark
     #   pytest-cov
+pytest-benchmark==4.0.0 \
+    --hash=sha256:fb0785b83efe599a6a956361c0691ae1dbb5318018561af10f3e915caa0048d1 \
+    --hash=sha256:fdb7db64e31c8b277dff9850d2a2556d8b60bcb0ea6524e36e28ffd7c87f71d6
+    # via pyelli (pyproject.toml)
 pytest-cov==5.0.0 \
     --hash=sha256:4f0764a1219df53214206bf1feea4633c3b558a2925c8b59f144f682861ce652 \
     --hash=sha256:5837b58e9f6ebd335b0f8060eecce69b662415b16dc503883a02f45dfeb14857