---
id: pr-deepgemm-226
repo: deepseek-ai/DeepGEMM
pr: 226
title: 'fix: prevent int32 overflow in k-grouped GEMM size calculations'
author: SolenoidWGT
date: '2025-11-19'
url: https://github.com/deepseek-ai/DeepGEMM/pull/226
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: f63d7f24d62462e5f7bedc38d94b3877b5762df9
inclusion_reason: defer
changed_paths:
- csrc/apis/gemm.hpp
artifact_dir: evidence/pull-bundles/deepgemm/gh-226
head_ref_oid: 62a312233b28e7cce4ddc762d7bdd9f8475d3b46
---
# fix: prevent int32 overflow in k-grouped GEMM size calculations

- Repository: `deepseek-ai/DeepGEMM`
- PR: [226](https://github.com/deepseek-ai/DeepGEMM/pull/226)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `csrc/apis/gemm.hpp`

## Evidence Bundle

`evidence/pull-bundles/deepgemm/gh-226`
