---
id: pr-vllm-33595
repo: vllm-project/vllm
pr: 33595
title: '[MoE] Add routing simulation override for MXFP4 quantized MoE'
author: jaewonlee-fb
date: '2026-03-13'
url: https://github.com/vllm-project/vllm/pull/33595
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: aaa3092f5137870d7a30e17bdbcd3f8268fa4c29
inclusion_reason: defer
changed_paths:
- vllm/model_executor/layers/quantization/mxfp4.py
artifact_dir: evidence/pull-bundles/vllm/gh-33595
head_ref_oid: a1183b01341e7c95642800ef7340855e7ac21230
---
# [MoE] Add routing simulation override for MXFP4 quantized MoE

- Repository: `vllm-project/vllm`
- PR: [33595](https://github.com/vllm-project/vllm/pull/33595)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/model_executor/layers/quantization/mxfp4.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-33595`
