---
id: pr-sglang-12067
repo: sgl-project/sglang
pr: 12067
title: '[b200] fix piecewise cuda graph launch bug'
author: BBuf
date: '2025-10-24'
url: https://github.com/sgl-project/sglang/pull/12067
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 8470133852ec9758c6ed2a6021e08451a764c06b
inclusion_reason: defer
changed_paths:
- python/sglang/srt/layers/attention/flashinfer_backend.py
- python/sglang/srt/model_executor/piecewise_cuda_graph_runner.py
artifact_dir: evidence/pull-bundles/sglang/gh-12067
head_ref_oid: 24c3907932797e9f28804f5eba9ff49d708214f0
---
# [b200] fix piecewise cuda graph launch bug

- Repository: `sgl-project/sglang`
- PR: [12067](https://github.com/sgl-project/sglang/pull/12067)
- Decision: `defer`
- Reason: defer

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-12067`
