---
id: pr-sglang-14173
repo: sgl-project/sglang
pr: 14173
title: 'fix: Increase FlashInfer workspace size for Qwen3VL models'
author: BBuf
date: '2025-12-01'
url: https://github.com/sgl-project/sglang/pull/14173
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: fa9021b21f927ba0f4f3378747841891268b207b
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/srt/layers/attention/flashinfer_backend.py
head_ref_oid: 4d7c053d1c3150941e1f4bdab5833e05e3537e64
artifact_dir: evidence/pull-bundles/sglang/gh-14173
---
# fix: Increase FlashInfer workspace size for Qwen3VL models

- Repository: `sgl-project/sglang`
- PR: [14173](https://github.com/sgl-project/sglang/pull/14173)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-14173`
