---
id: pr-sglang-13151
repo: sgl-project/sglang
pr: 13151
title: 'Support internvl on Blackwell (which doesn''t support fa3): add `SingletonCache` support to Vision{Sdpa|Triton|Ascend}Attention'
author: netanel-haber
date: '2025-11-26'
url: https://github.com/sgl-project/sglang/pull/13151
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
- triton
captured_at: '2026-04-27'
status: merged
merge_sha: 8308cd36325daf2faea8e66dc8e67b21599c3616
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/vision.py
head_ref_oid: 8db95e08723b9e3d1c5d9fb74b86f036ebded973
artifact_dir: evidence/pull-bundles/sglang/gh-13151
---
# Support internvl on Blackwell (which doesn't support fa3): add `SingletonCache` support to Vision{Sdpa|Triton|Ascend}Attention

- Repository: `sgl-project/sglang`
- PR: [13151](https://github.com/sgl-project/sglang/pull/13151)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-13151`
