---
id: pr-sglang-17077
repo: sgl-project/sglang
pr: 17077
title: '[Diffusion] Revise Diffusion FA backend to support blackwell'
author: yuan-luo
date: '2026-01-14'
url: https://github.com/sgl-project/sglang/pull/17077
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 969faaa4107369cbbde548c9cfd895695c2e226a
inclusion_reason: defer
changed_paths:
- python/sglang/multimodal_gen/runtime/layers/attention/backends/flash_attn.py
artifact_dir: evidence/pull-bundles/sglang/gh-17077
head_ref_oid: f10a004845c05742cd663203a9889ad1c5dd96d9
---
# [Diffusion] Revise Diffusion FA backend to support blackwell

- Repository: `sgl-project/sglang`
- PR: [17077](https://github.com/sgl-project/sglang/pull/17077)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `python/sglang/multimodal_gen/runtime/layers/attention/backends/flash_attn.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-17077`
