---
id: pr-sglang-19220
repo: sgl-project/sglang
pr: 19220
title: '[PCG] fix piecewise cuda graph for Qwen3.5'
author: zminglei
date: '2026-02-26'
url: https://github.com/sgl-project/sglang/pull/19220
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: b3202fe6d072c6afdfd8a567977d84de17c1d50d
inclusion_reason: defer
changed_paths:
- python/sglang/srt/layers/quantization/fp8_utils.py
- python/sglang/srt/models/qwen3_5.py
- python/sglang/srt/models/qwen3_next.py
- python/sglang/srt/models/qwen3_vl.py
artifact_dir: evidence/pull-bundles/sglang/gh-19220
head_ref_oid: 9f4d42f61ba3bc6681c58f8a7ee9432d15a2ad5c
---
# [PCG] fix piecewise cuda graph for Qwen3.5

- Repository: `sgl-project/sglang`
- PR: [19220](https://github.com/sgl-project/sglang/pull/19220)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `python/sglang/srt/layers/quantization/fp8_utils.py`
- `python/sglang/srt/models/qwen3_5.py`
- `python/sglang/srt/models/qwen3_next.py`
- `python/sglang/srt/models/qwen3_vl.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-19220`
