Skip to content

[DO NOT LAND] Prototype Helion kernel in vLLM #29051

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Draft
wants to merge 1 commit into
base: main
Choose a base branch
from
Draft

[DO NOT LAND] Prototype Helion kernel in vLLM #29051

wants to merge 1 commit into from
+229 −5

Conversation

@gmagogsfm
Copy link
Contributor

@gmagogsfm gmagogsfm commented Nov 20, 2025 •
edited by github-actions bot
Loading

  • This prorotype implements a naive silu_mul_fp8 kernel and integrates it in vLLM's custom fusion pass in the form of a custom op
  • Numerical accuracy is verified
  • There is on average about 4x slow down compared to vLLM's custom silu_mul_fp8 CUDA kernel

@gmagogsfm
[DO NOT LAND] Prototype Helion kernel in vLLM
12f515c 
- This prorotype implements a naive silu_mul_fp8 kernel and
integrates it in vLLM's custom fusion pass in the form of a
custom op
- Numerical accuracy is verified
- There is on average about 4x slow down compared to vLLM's custom
silu_mul_fp8 CUDA kernel

Signed-off-by: Yanan Cao <gmagogsfm@gmail.com>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@zou3519 zou3519 Awaiting requested review from zou3519 zou3519 will be requested when the pull request is marked ready for review zou3519 is a code owner

@youkaichao youkaichao Awaiting requested review from youkaichao youkaichao will be requested when the pull request is marked ready for review youkaichao is a code owner

@ProExpertProg ProExpertProg Awaiting requested review from ProExpertProg ProExpertProg will be requested when the pull request is marked ready for review ProExpertProg is a code owner

At least 1 approving review is required to merge this pull request.

Assignees

No one assigned

Labels

None yet

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

1 participant

@gmagogsfm