---
id: pr-sglang-17327
repo: sgl-project/sglang
pr: 17327
title: Disable mla persistent kernel when not using fp8 kv_cache
author: 1am9trash
date: '2026-01-20'
url: https://github.com/sgl-project/sglang/pull/17327
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- fp8
- mla
- persistent-kernel
techniques:
- persistent-kernel
hardware_features:
- fp8
kernel_types:
- attention
- mla
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 6988a0f5706c05ebc40ba9ef5c09243bcbf9886c
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/aiter_backend.py
head_ref_oid: 35443039efe9c82aa73af6e8692fe7b2c5bd308d
artifact_dir: evidence/pull-bundles/sglang/gh-17327
---
# Disable mla persistent kernel when not using fp8 kv_cache

- Repository: `sgl-project/sglang`
- PR: [17327](https://github.com/sgl-project/sglang/pull/17327)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/srt/layers/attention/aiter_backend.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-17327`
