---
id: pr-vllm-29339
repo: vllm-project/vllm
pr: 29339
title: '[Bugfix] Only use triton_kernels for MXFP4 on SM90 and SM100'
author: mgoin
date: '2025-11-24'
url: https://github.com/vllm-project/vllm/pull/29339
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp4
- quantization
techniques: []
hardware_features:
- fp4
kernel_types:
- quantization
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: c17610e2baf5e40b3b0638b272bfe7e04e471bfe
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/mxfp4.py
head_ref_oid: 0e25a83ee1cbf0af51c03575e40bfb0a07fa57ec
artifact_dir: evidence/pull-bundles/vllm/gh-29339
---
# [Bugfix] Only use triton_kernels for MXFP4 on SM90 and SM100

- Repository: `vllm-project/vllm`
- PR: [29339](https://github.com/vllm-project/vllm/pull/29339)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-29339`
