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Merged
angeloskath merged 1 commit into from
Feb 28, 2026
Merged

Skip Hopper-only kernels in CI #3184

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2 changes: 1 addition & 1 deletion .github/actions/build-cuda-release/action.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ runs:
run: |
pip install auditwheel build patchelf setuptools
python setup.py clean --all
MLX_BUILD_STAGE=2 python -m build -w
MLX_DISABLE_SM90A_KERNELS=1 MLX_BUILD_STAGE=2 python -m build -w

auditwheel repair dist/mlx_cuda*.whl \
--plat manylinux_2_35_${{ inputs.arch }} \
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6 changes: 4 additions & 2 deletions mlx/backend/cuda/CMakeLists.txt
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Expand Up @@ -158,8 +158,10 @@ message(STATUS "CUDA architectures: ${MLX_CUDA_ARCHITECTURES}")
set_target_properties(mlx PROPERTIES CUDA_ARCHITECTURES
"${MLX_CUDA_ARCHITECTURES}")

if(("90a" IN_LIST MLX_CUDA_ARCHITECTURES) OR ("90a-real" IN_LIST
MLX_CUDA_ARCHITECTURES))
# Skip Hopper-only kernels when not building for sm90a.
if(NOT DEFINED ENV{MLX_DISABLE_SM90A_KERNELS}
AND (("90a" IN_LIST MLX_CUDA_ARCHITECTURES) OR ("90a-real" IN_LIST
MLX_CUDA_ARCHITECTURES)))
target_compile_definitions(mlx PRIVATE MLX_CUDA_SM90A_ENABLED)
endif()

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