---
id: pr-sglang-21203
repo: sgl-project/sglang
pr: 21203
title: '[KDA] Support CuTeDSL KDA decode kernel'
author: yuan-luo
date: '2026-03-25'
url: https://github.com/sgl-project/sglang/pull/21203
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- decode
techniques: []
hardware_features: []
kernel_types:
- attention
- decode
languages:
- cute-dsl
- python
captured_at: '2026-04-17'
status: merged
merge_sha: f273ba1cccd63d65bccbaf4d325ab25554028f01
inclusion_reason: kernel file changes
changed_paths:
- benchmark/bench_linear_attention/bench_cutedsl_kda_decode.py
- python/sglang/jit_kernel/cutedsl_kda.py
- python/sglang/srt/layers/attention/linear/gdn_backend.py
- python/sglang/srt/layers/attention/linear/kda_backend.py
- python/sglang/srt/layers/attention/linear/kernels/kda_cutedsl.py
artifact_dir: evidence/pull-bundles/sglang/gh-21203
head_ref_oid: 2344dfa3e7fa645cf1c22d805439b8f5b53cb019
---
# [KDA] Support CuTeDSL KDA decode kernel

- Repository: `sgl-project/sglang`
- PR: [21203](https://github.com/sgl-project/sglang/pull/21203)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `benchmark/bench_linear_attention/bench_cutedsl_kda_decode.py`
- `python/sglang/jit_kernel/cutedsl_kda.py`
- `python/sglang/srt/layers/attention/linear/gdn_backend.py`
- `python/sglang/srt/layers/attention/linear/kda_backend.py`
- `python/sglang/srt/layers/attention/linear/kernels/kda_cutedsl.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-21203`
