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Add CUDA 12.9 build#1689

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matthewdouglas merged 7 commits intomainfrom
cuda129
Jun 27, 2025
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Add CUDA 12.9 build#1689
matthewdouglas merged 7 commits intomainfrom
cuda129

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@matthewdouglas matthewdouglas commented Jun 27, 2025

  • Add CUDA Toolkit 12.9 builds for Windows and Linux platforms.
  • Update test suite to test against nightly PyTorch 2.8.0+cu129

Resolves #1688, #1642

@matthewdouglas matthewdouglas added this to the v0.46.1 milestone Jun 27, 2025
@matthewdouglas matthewdouglas merged commit 1abd5e7 into main Jun 27, 2025
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github-actions bot commented Jun 27, 2025

The docs for this PR live here. All of your documentation changes will be reflected on that endpoint. The docs are available until 30 days after the last update.

matthewdouglas added a commit that referenced this pull request Jul 1, 2025
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Add CUDA 12.9 build (#1689)
4145b5c 
* Add CUDA 12.9 to build/test workflows

* Downgrade Jimver/cuda-toolkit to v0.2.24

* Update python-package.yml

* Update python-package.yml

* Update python-package.yml

* Update tests.yml

* Update tests.yml

(cherry picked from commit 1abd5e7)
@matthewdouglas matthewdouglas mentioned this pull request Jul 1, 2025
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@FurkanGozukara
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FurkanGozukara commented Oct 1, 2025

i am still getting this error what could be reason?

2025-10-01 23:23:28 WARNING Could not find the bitsandbytes CUDA binary at PosixPath('/workspace/kohya_ss/venv/lib/python3.10/site-packages/bitsandbytes/libbitsandbytes_cuda129.so') cextension.py:89
WARNING The installed version of bitsandbytes was compiled without GPU support. 8-bit optimizers, 8-bit multiplication, and GPU quantization are unavailable.

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matthewdouglas commented Oct 2, 2025

@FurkanGozukara You're likely using an older version of bitsandbytes. This PR was first included in v0.47.0.

pip install -U bitsandbytes

If you still need help please open a separate issue.

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FurkanGozukara commented Oct 2, 2025

@matthewdouglas thanks my bad i think the repo had auto installed 0.44 not 0.48

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Support CUDA 12.9

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