---
id: pr-vllm-21411
repo: vllm-project/vllm
pr: 21411
title: '[NVIDIA] Explicitly disable shuffled weights for flashinfer blockscale moe fp8 kernels'
author: kaixih
date: '2025-07-26'
url: https://github.com/vllm-project/vllm/pull/21411
source_category: upstream-code
architectures:
- sm100
tags:
- fp8
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features:
- fp8
kernel_types:
- moe
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: de509ae8eb4467bd789234d909e5c725b8fba326
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/fused_moe/fused_moe.py
head_ref_oid: 412cfe659d3fa4e10a4fe322f67d6b184f146266
artifact_dir: evidence/pull-bundles/vllm/gh-21411
---
# [NVIDIA] Explicitly disable shuffled weights for flashinfer blockscale moe fp8 kernels

- Repository: `vllm-project/vllm`
- PR: [21411](https://github.com/vllm-project/vllm/pull/21411)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/fused_moe/fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21411`
