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Add Python 3.15 to the build/test matrix (12.9.x backport) #2133

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Merged
leofang merged 12 commits into from
Jun 3, 2026
Merged

Add Python 3.15 to the build/test matrix (12.9.x backport) #2133

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a79f6c6
Add Python 3.15 to the build/test matrix
leofang May 22, 2026
2598994
Drop cpython-freethreading from CIBW_ENABLE (default in v4.0)
leofang May 22, 2026
d64eefd
Drop 3.13t from matrix; fix GNU link.exe on Windows
leofang May 22, 2026
38ec741
Expand test matrix: arm64 3.15, Windows 3.10-3.15
leofang May 22, 2026
8a2c9c3
Windows test matrix: dual LOCAL_CTK for 3.10/3.11, use 12.9.1 for 3.13
leofang May 22, 2026
a7692b4
Pre-build numpy wheel for Python 3.15 (no pre-built wheel yet)
leofang May 22, 2026
ee8db04
Build numpy in manylinux container for glibc compat; fix Windows glob
leofang May 30, 2026
3f1f3c0
Fix numpy cibuildwheel: patch cpython-freethreading, unify platforms
leofang May 30, 2026
b808899
Strip numpy cibuildwheel config; build without BLAS
leofang May 30, 2026
bd3e990
Fix numpy pyproject.toml patch to preserve [tool.meson-python]
leofang May 30, 2026
4898bde
Fix test_graphics_api_smoketest on py3.10/3.11 Windows
leofang May 30, 2026
fe6d2bb
Exclude Python 3.15 wheels from release publishing
leofang May 30, 2026
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18 changes: 13 additions & 5 deletions .github/workflows/build-wheel.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,10 @@ jobs:
- "3.11"
- "3.12"
- "3.13"
- "3.13t"
- "3.14"
- "3.14t"
- "3.15"
- "3.15t"
name: py${{ matrix.python-version }}
runs-on: ${{ (inputs.host-platform == 'linux-64' && 'linux-amd64-cpu8') ||
(inputs.host-platform == 'linux-aarch64' && 'linux-arm64-cpu8') ||
Expand Down Expand Up @@ -111,7 +112,7 @@ jobs:
if-no-files-found: error

- name: Build cuda.core wheel
uses: pypa/cibuildwheel@8d2b08b68458a16aeb24b64e68a09ab1c8e82084 # v3.4.1
uses: pypa/cibuildwheel@54327ab9d35de03b359ac25c97de9417d94639c0 # v4.0.0rc1
env:
CIBW_BUILD: ${{ env.CIBW_BUILD }}
CIBW_ARCHS_LINUX: "native"
Expand All @@ -120,7 +121,7 @@ jobs:
CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair --namespace-pkg cuda -w {dest_dir} {wheel}"
CIBW_ENVIRONMENT: >
CUDA_PYTHON_PARALLEL_LEVEL=${{ env.CUDA_PYTHON_PARALLEL_LEVEL }}
CIBW_ENABLE: "cpython-freethreading"
CIBW_ENABLE: "cpython-prerelease"
with:
package-dir: ./cuda_core/
output-dir: ${{ env.CUDA_CORE_ARTIFACTS_DIR }}
Expand Down Expand Up @@ -154,7 +155,7 @@ jobs:
cuda-version: ${{ inputs.cuda-version }}

- name: Build cuda.bindings wheel
uses: pypa/cibuildwheel@8d2b08b68458a16aeb24b64e68a09ab1c8e82084 # v3.4.1
uses: pypa/cibuildwheel@54327ab9d35de03b359ac25c97de9417d94639c0 # v4.0.0rc1
env:
CIBW_BUILD: ${{ env.CIBW_BUILD }}
CIBW_ARCHS_LINUX: "native"
Expand All @@ -168,7 +169,7 @@ jobs:
CUDA_PYTHON_PARALLEL_LEVEL=${{ env.CUDA_PYTHON_PARALLEL_LEVEL }}
CIBW_BEFORE_BUILD_WINDOWS: "pip install delvewheel"
CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: "delvewheel repair --namespace-pkg cuda -w {dest_dir} {wheel}"
CIBW_ENABLE: "cpython-freethreading"
CIBW_ENABLE: "cpython-prerelease"
with:
package-dir: ./cuda_bindings/
output-dir: ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}
Expand Down Expand Up @@ -249,6 +250,13 @@ jobs:
run: |
pip install cuda_pathfinder/*.whl

- name: Hide GNU link.exe so Meson finds MSVC link.exe
if: ${{ startsWith(inputs.host-platform, 'win') }}
run: |
if [ -f "/c/Program Files/Git/usr/bin/link.exe" ]; then
mv "/c/Program Files/Git/usr/bin/link.exe" "/c/Program Files/Git/usr/bin/link.exe.bak"
fi
Comment on lines +253 to +258

@leofang leofang May 22, 2026

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Note: Adding this workaround because it choked Meson:

      ..\meson.build:1:0: ERROR: Found GNU link.exe instead of MSVC link.exe in C:\Program Files\Git\usr\bin\link.EXE.
      This link.exe is not a linker.
      You may need to reorder entries to your %PATH% variable to resolve this.

https://github.com/NVIDIA/cuda-python/actions/runs/26313382675/job/77467388926?pr=2133#step:29:111

@seberg seberg Jun 3, 2026

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Yeah, this seems OK and similar WAR as numpy (and others) do.


- name: Build cuda.bindings Cython tests
run: |
pip install $(ls ${{ env.CUDA_BINDINGS_ARTIFACTS_DIR }}/*.whl)[test]
Expand Down
12 changes: 4 additions & 8 deletions ci/test-matrix.json
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Original file line number Diff line number Diff line change
Expand Up @@ -12,9 +12,10 @@
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "13.0.1", "LOCAL_CTK": "0", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13", "CUDA_VER": "13.0.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13t", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.14", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.14t", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.15", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.15t", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.10", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "a100", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.10", "CUDA_VER": "13.0.1", "LOCAL_CTK": "0", "GPU": "a100", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.11", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "a100", "DRIVER": "latest" },
Expand All @@ -23,7 +24,6 @@
{ "ARCH": "arm64", "PY_VER": "3.12", "CUDA_VER": "13.0.1", "LOCAL_CTK": "0", "GPU": "a100", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.13", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "a100", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.13", "CUDA_VER": "13.0.1", "LOCAL_CTK": "1", "GPU": "a100", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.13t", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "a100", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.14", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "a100", "DRIVER": "latest" },
{ "ARCH": "arm64", "PY_VER": "3.14t", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "a100", "DRIVER": "latest" }
],
Expand Down Expand Up @@ -80,17 +80,13 @@
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "t4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13", "CUDA_VER": "13.0.1", "LOCAL_CTK": "0", "GPU": "t4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13", "CUDA_VER": "13.0.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13t", "CUDA_VER": "13.0.1", "LOCAL_CTK": "0", "GPU": "t4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13t", "CUDA_VER": "13.0.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" }
{ "ARCH": "amd64", "PY_VER": "3.13", "CUDA_VER": "13.0.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" }
],
"nightly": [
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "11.8.0", "LOCAL_CTK": "0", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "11.8.0", "LOCAL_CTK": "1", "GPU": "t4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "12.9.1", "LOCAL_CTK": "0", "GPU": "t4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13t", "CUDA_VER": "13.0.1", "LOCAL_CTK": "0", "GPU": "t4", "DRIVER": "latest" },
{ "ARCH": "amd64", "PY_VER": "3.13t", "CUDA_VER": "13.0.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" }
{ "ARCH": "amd64", "PY_VER": "3.12", "CUDA_VER": "12.9.1", "LOCAL_CTK": "1", "GPU": "l4", "DRIVER": "latest" }
]
}
}
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