---
id: pr-sglang-20187
repo: sgl-project/sglang
pr: 20187
title: '[AMD] Fp8 prefill integration with radix cache path for dpsk models'
author: 1am9trash
date: '2026-03-10'
url: https://github.com/sgl-project/sglang/pull/20187
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- fp8
- prefill
techniques: []
hardware_features:
- fp8
kernel_types:
- attention
- prefill
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 6407891b4fefc819fd2af1f2db098c6b25f4420b
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/aiter_backend.py
head_ref_oid: e73a305eb7e0f544daf719c5732426835c507a4a
artifact_dir: evidence/pull-bundles/sglang/gh-20187
---
# [AMD] Fp8 prefill integration with radix cache path for dpsk models

- Repository: `sgl-project/sglang`
- PR: [20187](https://github.com/sgl-project/sglang/pull/20187)
- 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-20187`
