---
id: pr-sglang-13544
repo: sgl-project/sglang
pr: 13544
title: '[DeepSeekV3.2] Centralize NSA dispatch logic in NativeSparseAttnBackend'
author: YAMY1234
date: '2025-11-25'
url: https://github.com/sgl-project/sglang/pull/13544
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 5eed5fc0b09186008728e07926b175c431f085b0
inclusion_reason: defer
changed_paths:
- python/sglang/srt/layers/attention/nsa_backend.py
- python/sglang/srt/models/deepseek_v2.py
artifact_dir: evidence/pull-bundles/sglang/gh-13544
head_ref_oid: 24ddc8857946c14b1c716c6c9f0cd8b4297611bc
---
# [DeepSeekV3.2] Centralize NSA dispatch logic in NativeSparseAttnBackend

- Repository: `sgl-project/sglang`
- PR: [13544](https://github.com/sgl-project/sglang/pull/13544)
- Decision: `defer`
- Reason: defer

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-13544`
