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CUDA 13 support #7028

@jameslamb

Description

@jameslamb

Description

CUDA 13 was released recently (https://developer.nvidia.com/cuda-toolkit-archive).

LightGBM should add support here.

Benefits of this work

  • allows users to take advantage of new features, bugfixes, performance improvements
  • allows user to build LightGBM for user on newer GPUs

Acceptance criteria

  • LightGBM can be built from source targeting v13.x of the CUDA toolkit

Approach

See conda-forge/lightgbm-feedstock#75 for at least one small patch needed.

At least add support for building from source here, and test on a machine with a new-enough driver (maybe from a cloud service provider like AWS). Or with CI, if the GitHub runners support it.

Notes

related: #6828

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