---
id: pr-vllm-20167
repo: vllm-project/vllm
pr: 20167
title: '[Bugfix] Fix Maverick correctness by filling zero to cache space in cutlass_moe'
author: minosfuture
date: '2025-07-08'
url: https://github.com/vllm-project/vllm/pull/20167
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: afb7cff1b95d58263ae4f0247eaac090bd19cbf4
inclusion_reason: kernel file changes
changed_paths:
- tests/kernels/moe/test_cutlass_moe.py
- vllm/model_executor/layers/fused_moe/cutlass_moe.py
head_ref_oid: 6c20e94e0c9bc7d4e74f682bdbabd413b2f4cf76
artifact_dir: evidence/pull-bundles/vllm/gh-20167
---
# [Bugfix] Fix Maverick correctness by filling zero to cache space in cutlass_moe

- Repository: `vllm-project/vllm`
- PR: [20167](https://github.com/vllm-project/vllm/pull/20167)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-20167`
