---
id: pr-vllm-27223
repo: vllm-project/vllm
pr: 27223
title: Flashinfer_CUTLASS_MOE fuses quantization for TP
author: wenscarl
date: '2025-10-31'
url: https://github.com/vllm-project/vllm/pull/27223
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: fc16f1c4779023e2e9ca3efe7a8b78a27cd318ac
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/fused_moe/flashinfer_cutlass_moe.py
- vllm/model_executor/layers/fused_moe/flashinfer_cutlass_prepare_finalize.py
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py
head_ref_oid: ba510376e809ef7fad048b3b9fbd22d699f6fc5a
artifact_dir: evidence/pull-bundles/vllm/gh-27223
---
# Flashinfer_CUTLASS_MOE fuses quantization for TP

- Repository: `vllm-project/vllm`
- PR: [27223](https://github.com/vllm-project/vllm/pull/27223)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/fused_moe/flashinfer_cutlass_moe.py`
- `vllm/model_executor/layers/fused_moe/flashinfer_cutlass_prepare_finalize.py`
- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-27223`
