---
id: pr-vllm-22421
repo: vllm-project/vllm
pr: 22421
title: '[gpt-oss] triton kernel mxfp4'
author: zyongye
date: '2025-08-08'
url: https://github.com/vllm-project/vllm/pull/22421
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: e789cad6b8b5d2a01aa6521b9208bb8d6501ee5b
inclusion_reason: kernel file changes
changed_paths:
- .gitignore
- tests/kernels/moe/test_gpt_oss_triton_kernels.py
- vllm/model_executor/layers/fused_moe/gpt_oss_triton_kernels_moe.py
- vllm/model_executor/layers/fused_moe/layer.py
- vllm/model_executor/layers/quantization/mxfp4.py
- vllm/model_executor/layers/quantization/utils/mxfp4_utils.py
- vllm/model_executor/layers/utils.py
- vllm/utils/__init__.py
head_ref_oid: 9f0a6f787fff0cb67a90436a09b129d49f43fbf2
artifact_dir: evidence/pull-bundles/vllm/gh-22421
---
# [gpt-oss] triton kernel mxfp4

- Repository: `vllm-project/vllm`
- PR: [22421](https://github.com/vllm-project/vllm/pull/22421)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `.gitignore`
- `tests/kernels/moe/test_gpt_oss_triton_kernels.py`
- `vllm/model_executor/layers/fused_moe/gpt_oss_triton_kernels_moe.py`
- `vllm/model_executor/layers/fused_moe/layer.py`
- `vllm/model_executor/layers/quantization/mxfp4.py`
- `vllm/model_executor/layers/quantization/utils/mxfp4_utils.py`
- `vllm/model_executor/layers/utils.py`
- `vllm/utils/__init__.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-22421`
