---
id: pr-sglang-22218
repo: sgl-project/sglang
pr: 22218
title: '[Experimental] Breakable Piecewise Cuda Graph'
author: Oasis-Git
date: '2026-04-24'
url: https://github.com/sgl-project/sglang/pull/22218
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 60bbb800db812e1a8a9069abad4b2e391b894578
inclusion_reason: defer
changed_paths:
- python/sglang/srt/layers/radix_attention.py
- python/sglang/srt/model_executor/breakable_cuda_graph/breakable_cuda_graph.py
- python/sglang/srt/model_executor/breakable_cuda_graph/context.py
- python/sglang/srt/model_executor/breakable_cuda_graph_runner.py
- python/sglang/srt/model_executor/model_runner.py
- python/sglang/srt/models/nemotron_h.py
- python/sglang/srt/server_args.py
- test/registered/breakable_cuda_graph/test_breakable_cuda_graph.py
artifact_dir: evidence/pull-bundles/sglang/gh-22218
head_ref_oid: 6cde4bc911c3d0106851593118826c3d28b9d4fd
---
# [Experimental] Breakable Piecewise Cuda Graph

- Repository: `sgl-project/sglang`
- PR: [22218](https://github.com/sgl-project/sglang/pull/22218)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `python/sglang/srt/layers/radix_attention.py`
- `python/sglang/srt/model_executor/breakable_cuda_graph/breakable_cuda_graph.py`
- `python/sglang/srt/model_executor/breakable_cuda_graph/context.py`
- `python/sglang/srt/model_executor/breakable_cuda_graph_runner.py`
- `python/sglang/srt/model_executor/model_runner.py`
- `python/sglang/srt/models/nemotron_h.py`
- `python/sglang/srt/server_args.py`
- `test/registered/breakable_cuda_graph/test_breakable_cuda_graph.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-22218`
