Skip to content

Support W8A8 hy4-preview inference on PPU 810E - #477

Open
ZenithJoyH wants to merge 13 commits into
flagos-ai:mainfrom
ZenithJoyH:support-hy4-preview
Open

ZenithJoyH wants to merge 13 commits into
flagos-ai:mainfrom
ZenithJoyH:support-hy4-preview

Conversation

@ZenithJoyH

@ZenithJoyH ZenithJoyH commented Sep 9, 2026

Copy link
Copy Markdown
Contributor

PR Category

Others

PR Type

User Experience

Description

Support hy4 preview inference on PPU 810E

Related Issues

Changes

Testing

test GPQA on PPU

Checklist

  • I have run the existing tests and they pass
  • I have added tests for my changes (if applicable)
  • I have updated the documentation (if applicable)

Refresh and finalize the HY4 preview model, loader, dispatch, and runtime integration. Preserve the T-Head fallback when the native bundle is unavailable.
Comment thread vllm_fl/dispatch/backends/vendor/thead/__init__.py Fixed
Comment thread vllm_fl/models/hy_v4.py Fixed
Comment thread vllm_fl/model_loader/hy_v4_loader.py Fixed
@ZenithJoyH ZenithJoyH changed the title Support hy4 preview Support W8A8 hy4-preview inference Sep 10, 2026
Redispatch the dynamic full-width candidate sort to native ATen so enabling FlagGems topk does not compile a new specialized kernel at every decode step.
@github-actions github-actions Bot added the tests label Sep 10, 2026
@ceci3

ceci3 commented Sep 10, 2026

Copy link
Copy Markdown
Collaborator

support in which vendor?

@ZenithJoyH

Copy link
Copy Markdown
Contributor Author

support in which vendor?

I have test GPQA on PPU,But the key operator is called by using flaggems.

@ZenithJoyH ZenithJoyH changed the title Support W8A8 hy4-preview inference Support W8A8 hy4-preview inference on PPU Sep 10, 2026
@ZenithJoyH ZenithJoyH changed the title Support W8A8 hy4-preview inference on PPU Support W8A8 hy4-preview inference on PPU 810E Sep 10, 2026
Preserve explicit per-token decode lengths while reusing the common FlagGems and reference row-wise top-k capability inside the HY4 BF16 indexer backend.
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants