---
id: pr-vllm-28569
repo: vllm-project/vllm
pr: 28569
title: '[Performance][Fix] update nvfp4 code to support renorm routing'
author: jiahanc
date: '2025-11-17'
url: https://github.com/vllm-project/vllm/pull/28569
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 561253b37faadaafe68168ea32d8d8157621a6b4
inclusion_reason: defer
changed_paths:
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/utils/flashinfer_utils.py
artifact_dir: evidence/pull-bundles/vllm/gh-28569
head_ref_oid: b24ab39f75f3b8f90815f4e1a4ee779f8fc42443
---
# [Performance][Fix] update nvfp4 code to support renorm routing

- Repository: `vllm-project/vllm`
- PR: [28569](https://github.com/vllm-project/vllm/pull/28569)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/utils/flashinfer_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-28569`
