modelscope / modelscope/DiffSynth-Studio

How to load 3 wan2.2 dit and avoid the OOM error?

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Python
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Description

I have trained my own wan2.2 dits which separate the timesteps into 3 stage, resulting in 3 different dits.
However, when i load them in the original inference script, it will cause OOM error when load these dits.
How to avoid it ?

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the original inference script and reproducing the out-of-memory error while loading the three trained Wan 2.2 DITs. Determine how loading the three stages affects memory, and consider the issue complete when the three DITs can be used without an OOM error.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
machine-learning
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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