---
id: pr-sglang-11892
repo: sgl-project/sglang
pr: 11892
title: 'DeepSeek-V3.2: Add Adaptive MHA Attention Pathway for Short-Sequence Prefill'
author: YAMY1234
date: '2025-11-06'
url: https://github.com/sgl-project/sglang/pull/11892
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- prefill
techniques: []
hardware_features: []
kernel_types:
- attention
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: f235498eca7a31ae044ffcb133e4a8290a5369d6
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/nsa/nsa_indexer.py
- python/sglang/srt/layers/attention/nsa_backend.py
- python/sglang/srt/models/deepseek_v2.py
head_ref_oid: 8705bf1273d5248ecc9f4ddb1d84f4d5f2bc6674
artifact_dir: evidence/pull-bundles/sglang/gh-11892
---
# DeepSeek-V3.2: Add Adaptive MHA Attention Pathway for Short-Sequence Prefill

- Repository: `sgl-project/sglang`
- PR: [11892](https://github.com/sgl-project/sglang/pull/11892)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/nsa/nsa_indexer.py`
- `python/sglang/srt/layers/attention/nsa_backend.py`
- `python/sglang/srt/models/deepseek_v2.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-11892`
