---
id: pr-vllm-28166
repo: vllm-project/vllm
pr: 28166
title: '[flashinfer] fix FI all2all with FI cutlass moe'
author: mxz297
date: '2025-11-06'
url: https://github.com/vllm-project/vllm/pull/28166
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: e31946f86eb7975bb1483cff04ea52ba9b5aa79c
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/fused_moe/flashinfer_cutlass_prepare_finalize.py
head_ref_oid: 4e7edaacf85105ec57eb19efbc13d6f6dc33fedf
artifact_dir: evidence/pull-bundles/vllm/gh-28166
---
# [flashinfer] fix FI all2all with FI cutlass moe

- Repository: `vllm-project/vllm`
- PR: [28166](https://github.com/vllm-project/vllm/pull/28166)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/fused_moe/flashinfer_cutlass_prepare_finalize.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-28166`
