---
id: pr-vllm-32361
repo: vllm-project/vllm
pr: 32361
title: '[BugFix] Fix DeepSeek-V3.1 + DeepGEMM incompatible scale shapes'
author: LucasWilkinson
date: '2026-01-15'
url: https://github.com/vllm-project/vllm/pull/32361
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
- quantization
techniques: []
hardware_features: []
kernel_types:
- gemm
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 2c9b4cf5bf844de0471f77e6579e16c7bc3ee0d0
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/utils/quant_utils.py
head_ref_oid: bae4a1ea1863da2852672655aec5e127f0a3ca07
artifact_dir: evidence/pull-bundles/vllm/gh-32361
---
# [BugFix] Fix DeepSeek-V3.1 + DeepGEMM incompatible scale shapes

- Repository: `vllm-project/vllm`
- PR: [32361](https://github.com/vllm-project/vllm/pull/32361)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/utils/quant_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-32361`
