---
id: pr-vllm-19667
repo: vllm-project/vllm
pr: 19667
title: '[Kernels] Use empty for modular MoE workspaces'
author: bnellnm
date: '2025-06-16'
url: https://github.com/vllm-project/vllm/pull/19667
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: 5e5baa91aa163ec3c49ed8b3a49b4dab3430a436
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/fused_moe/fused_batched_moe.py
- vllm/model_executor/layers/fused_moe/modular_kernel.py
head_ref_oid: 70e1a8e733ec573e663ec88894160171ea0080b6
artifact_dir: evidence/pull-bundles/vllm/gh-19667
---
# [Kernels] Use empty for modular MoE workspaces

- Repository: `vllm-project/vllm`
- PR: [19667](https://github.com/vllm-project/vllm/pull/19667)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/fused_moe/fused_batched_moe.py`
- `vllm/model_executor/layers/fused_moe/modular_kernel.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-19667`
