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.. module:: cuda.bindings

cuda-bindings 13.X.Y Release notes

Released on TBD

Highlights

  • Migrated wheel dependencies from individual NVIDIA packages to the cuda-toolkit metapackage for improved dependency resolution and version constraints.
  • Automatic CUDA library path detection based on CUDA_HOME, eliminating the need to manually set LIBRARY_PATH environment variables for installation.
  • The [all] optional dependencies now use cuda-toolkit with appropriate extras instead of individual packages. The NVCC compiler is no longer automatically installed with pip install cuda-python[all] as it was previously included only to access the NVVM library, which now has its own dedicated wheel. Users who need the NVCC compiler should explicitly install it with pip install cuda-toolkit[nvcc]==X.Y with the appropriate version for their needs.
  • The Python overhead of calling functions in CUDA bindings in driver, runtime and nvrtc has been reduced by approximately 30%.
  • On Windows, the pywin32 dependency has been removed. The necessary Windows API functions are now accessed directly.
  • Updated the cuda.bindings.runtime module to statically link against the CUDA Runtime library from CUDA Toolkit 13.0.1.
  • cyruntime.getLocalRuntimeVersion now uses pathfinder to find the CUDA runtime.

Known issues

  • Updating from older versions (v12.6.2.post1 and below) via pip install -U cuda-python might not work. Please do a clean re-installation by uninstalling pip uninstall -y cuda-python followed by installing pip install cuda-python.