---
id: pr-vllm-29867
repo: vllm-project/vllm
pr: 29867
title: '[Quantization] fix: overflow with static per-tensor scaling'
author: mickaelseznec
date: '2026-01-13'
url: https://github.com/vllm-project/vllm/pull/29867
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
- quantization
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: a5bbbd2f24983f309f915a1de911b9301e1699e2
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/utils/quant_utils.py
- vllm/v1/attention/backends/mla/common.py
head_ref_oid: e0da6ad25c7e40df3b3966b49365c796be8030fd
artifact_dir: evidence/pull-bundles/vllm/gh-29867
---
# [Quantization] fix: overflow with static per-tensor scaling

- Repository: `vllm-project/vllm`
- PR: [29867](https://github.com/vllm-project/vllm/pull/29867)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/utils/quant_utils.py`
- `vllm/v1/attention/backends/mla/common.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-29867`
