add benchmark

Author: flying-sheep

.github/workflows/ci.yml

@@ -29,14 +29,18 @@ jobs:
           cache-dependency-glob: pyproject.toml
       - run: uv pip install --system -e .[test${{ matrix.extras == 'full' && ',full' || '' }}]
       - run: |
-          coverage run -m pytest
+          coverage run -m pytest -m "not benchmark"
           coverage xml
           coverage report
       - uses: codecov/codecov-action@v5
         with:
           fail_ci_if_error: true
           files: test-data/coverage.xml
           token: ${{ secrets.CODECOV_TOKEN }}
+      - uses: CodSpeedHQ/action@v3
+        with:
+          run: pytest -m benchmark --codspeed
+          token: ${{ secrets.CODSPEED_TOKEN }}
   check:
     runs-on: ubuntu-latest
     strategy:

README.rst

@@ -1,4 +1,4 @@
-|docs| |ci| |cov|
+|docs| |ci| |cov| |bench|
 
 .. |docs| image:: https://readthedocs.com/projects/icb-fast-array-utils/badge/?version=latest
    :target: https://icb-fast-array-utils.readthedocs-hosted.com/en/latest/
@@ -9,5 +9,8 @@
 .. |cov| image:: https://codecov.io/gh/scverse/fast-array-utils/graph/badge.svg?token=CR62H2QRWY
    :target: https://codecov.io/gh/scverse/fast-array-utils
 
+.. |bench| image:: https://img.shields.io/endpoint?url=https://codspeed.io/badge.json
+   :target: https://codspeed.io/scverse/fast-array-utils
+
 fast-array-utils
 ================

tests/test_sparse.py

@@ -55,3 +55,8 @@ def test_to_dense(order: Literal["C", "F"], sp_mat: CSBase[np.float64]) -> None:
     assert arr.flags[order]
     assert arr.dtype == sp_mat.dtype
     np.testing.assert_equal(arr, sp_mat.toarray(order=order))
+
+
+@pytest.mark.benchmark
+def test_to_dense_benchmark(order: Literal["C", "F"], sp_mat: CSBase[np.float64]) -> None:
+    to_dense(sp_mat, order=order)