---
id: pr-vllm-29354
repo: vllm-project/vllm
pr: 29354
title: Add unpermute-aware fused MoE path and small-batch fallback
author: RunkaiTao
date: '2026-01-09'
url: https://github.com/vllm-project/vllm/pull/29354
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
- moe
techniques:
- kernel-fusion
hardware_features: []
kernel_types:
- moe
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: a4d5d663e295e3b90a515c79df74048bc715e804
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/moe/test_moe.py
- vllm/model_executor/layers/fused_moe/fused_moe.py
head_ref_oid: cd7ae7c2e9c25764515a3df407d023e6172c8425
artifact_dir: evidence/pull-bundles/vllm/gh-29354
---
# Add unpermute-aware fused MoE path and small-batch fallback

- Repository: `vllm-project/vllm`
- PR: [29354](https://github.com/vllm-project/vllm/pull/29354)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/kernels/moe/test_moe.py`
- `vllm/model_executor/layers/fused_moe/fused_moe.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-29354`
