[CUDA] Narrow the cuda extra from cuda-python to cuda-bindings#19784
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MasterJH5574 merged 1 commit intoJun 15, 2026
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TVM's shipped code only uses cuda.bindings — cuda.bindings.nvrtc for the NVRTC JIT path and cuda.bindings.driver for the NVSHMEM link path, both in python/tvm/support/nvcc.py; it never uses cuda.core. cuda-python is now a metapackage that pulls in cuda-bindings + cuda-core (and cuda-pathfinder), so depending on it drags in cuda-core that TVM does not need. Depend directly on cuda-bindings, which provides exactly the nvrtc and driver submodules TVM imports, and update the user-facing 'pip install cuda-python' hints to match. A plain cuda-bindings install pulls no nvidia-* toolkit wheels (those live behind the [all] extra); libnvrtc is loaded from the system / TVM's CUDA install as before.
tlopex
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cuda extra from cuda-python to cuda-bindings![gemini-code-assist[bot]](https://avatars.githubusercontent.com/in/956858?s=60&v=4){kind=small}
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This pull request replaces the optional dependency cuda-python with cuda-bindings in pyproject.toml and updates the corresponding docstrings, comments, and error messages in python/tvm/support/nvcc.py to reflect this change. No review comments were provided, and there is no additional feedback.
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TVM's shipped code only uses cuda.bindings — cuda.bindings.nvrtc for the NVRTC JIT path and cuda.bindings.driver for the NVSHMEM link path, both in python/tvm/support/nvcc.py; it never uses cuda.core. cuda-python is now a metapackage that pulls in cuda-bindings + cuda-core (and cuda-pathfinder), so depending on it drags in cuda-core that TVM does not need. Depend directly on cuda-bindings, which provides exactly the nvrtc and driver submodules TVM imports, and update the user-facing 'pip install cuda-python' hints to match. A plain cuda-bindings install pulls no nvidia-* toolkit wheels (those live behind the [all] extra); libnvrtc is loaded from the system / TVM's CUDA install as before.
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TVM's shipped code only uses cuda.bindings — cuda.bindings.nvrtc for the NVRTC JIT path and cuda.bindings.driver for the NVSHMEM link path, both in python/tvm/support/nvcc.py; it never uses cuda.core. cuda-python is now a metapackage that pulls in cuda-bindings + cuda-core (and cuda-pathfinder), so depending on it drags in cuda-core that TVM does not need.
Depend directly on cuda-bindings, which provides exactly the nvrtc and driver submodules TVM imports, and update the user-facing 'pip install cuda-python' hints to match. A plain cuda-bindings install pulls no nvidia-* toolkit wheels (those live behind the [all] extra); libnvrtc is loaded from the system / TVM's CUDA install as before.