lllyasviel / lllyasviel/FramePack

WARNING[XFORMERS]: xFormers can't load C++/CUDA extensions

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Python
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Description

I have a RTX 3090 with 24 GB VRAM and 32 GB system RAM but run out of memory when rendering.

I get this warning on startup...

WARNING[XFORMERS]: xFormers can't load C++/CUDA extensions. xFormers was built for:
PyTorch 2.0.0+cu118 with CUDA 1108 (you have 2.6.0+cu126)
Python 3.10.11 (you have 3.10.6)
Please reinstall xformers (see https://github.com/facebookresearch/xformers#installing-xformers)
Memory-efficient attention, SwiGLU, sparse and more won't be available.
Set XFORMERS_MORE_DETAILS=1 for more details
A matching Triton is not available, some optimizations will not be enabled.
Error caught was: DLL load failed while importing libtriton: The specified module could not be found.

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First steps

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Research direction

No repository file, test, or entry point is named. Start by reproducing startup with the reported Python, PyTorch, CUDA, and xFormers versions and enable XFORMERS_MORE_DETAILS=1; compare the result with the linked xFormers installation instructions. Done is not established by the report, so confirm with maintainers what supported environment or behavior should be verified.

Written by the indexing model from the issue text.

Assessment

Tech stack
python, pytorch
Domain
machine-learning
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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