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[DO NOT MERGE YET] Enhance INT8 compression of LTX-2.3-Diffusers - #2076

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AsyaPronina:enhance_int8_ltx-2.3
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AsyaPronina wants to merge 2 commits into
huggingface:mainfrom
AsyaPronina:enhance_int8_ltx-2.3

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What does this PR do?

This PR allows for INT8 group-size weight compression and adds a better recipe for INT8 weight compression of LTX2.3-Diffusers to elicit better similarity score with wwb.

Fixes #CVS-193482
Depends on # PR openvinotoolkit/nncf#4278

Before submitting

  • This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
  • Did you make sure to update the documentation with your changes?
  • Did you write any new necessary tests?

@AsyaPronina AsyaPronina changed the title Enhance INT8 compression of LTX-2.3-Diffusers [DO NOT MERGE, HAS DEPENDENCIES] Enhance INT8 compression of LTX-2.3-Diffusers Oct 23, 2026
@AsyaPronina AsyaPronina changed the title [DO NOT MERGE, HAS DEPENDENCIES] Enhance INT8 compression of LTX-2.3-Diffusers [DO NOT MERGE YET] Enhance INT8 compression of LTX-2.3-Diffusers Oct 23, 2026
@andrey-churkin
andrey-churkin self-requested a review October 23, 2026 11:50
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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.

Anastasiia Pronina added 2 commits October 23, 2026 15:31
Added compression to int8 for LTX-2.3-Diffusers by default, fixed checks

Removed bad commit
… while exporting model to OpenVINO IR by default

@andrey-churkin andrey-churkin left a comment

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LGTM

@andrey-churkin

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@rkazants @echarlaix Please have a look

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4 participants