---
id: pr-sglang-12491
repo: sgl-project/sglang
pr: 12491
title: '[Ascend] Support enable-mixed-chunk in non-MLA scenarios'
author: MichelleWu351
date: '2025-11-26'
url: https://github.com/sgl-project/sglang/pull/12491
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 262c3c1fdeecf5c9bba99f2b6c0df0212760e274
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/ascend_backend.py
- python/sglang/srt/layers/attention/base_attn_backend.py
- python/sglang/srt/managers/schedule_policy.py
head_ref_oid: 7221bd7dcb4a362aac83090f4f4927eb99185db3
artifact_dir: evidence/pull-bundles/sglang/gh-12491
---
# [Ascend] Support enable-mixed-chunk in non-MLA scenarios

- Repository: `sgl-project/sglang`
- PR: [12491](https://github.com/sgl-project/sglang/pull/12491)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/ascend_backend.py`
- `python/sglang/srt/layers/attention/base_attn_backend.py`
- `python/sglang/srt/managers/schedule_policy.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-12491`
