---
id: pr-vllm-22278
repo: vllm-project/vllm
pr: 22278
title: '[Bugfix] Fix 3D input passed into cutlass_scaled_mm'
author: mgoin
date: '2025-08-06'
url: https://github.com/vllm-project/vllm/pull/22278
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types: []
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 6a5153043799dde3e22fae11f17c423c765f747b
inclusion_reason: semantic match with file changes
changed_paths:
- vllm/_custom_ops.py
head_ref_oid: 0738c6c44580bac08a107eb4362c918ccfdd8f6a
artifact_dir: evidence/pull-bundles/vllm/gh-22278
---
# [Bugfix] Fix 3D input passed into cutlass_scaled_mm

- Repository: `vllm-project/vllm`
- PR: [22278](https://github.com/vllm-project/vllm/pull/22278)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `vllm/_custom_ops.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-22278`
