---
id: pr-sglang-14164
repo: sgl-project/sglang
pr: 14164
title: EP Support for Piecewise Cuda Graph
author: Oasis-Git
date: '2025-12-19'
url: https://github.com/sgl-project/sglang/pull/14164
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 9d0347b33affec03154667fc8cf666113f195cb0
inclusion_reason: defer
changed_paths:
- python/sglang/srt/compilation/backend.py
- python/sglang/srt/compilation/compilation_config.py
- python/sglang/srt/compilation/piecewise_context_manager.py
- python/sglang/srt/layers/communicator.py
- python/sglang/srt/layers/moe/ep_moe/layer.py
- python/sglang/srt/layers/moe/fused_moe_triton/layer.py
- python/sglang/srt/layers/moe/topk.py
- python/sglang/srt/model_executor/model_runner.py
- python/sglang/srt/model_executor/piecewise_cuda_graph_runner.py
- test/srt/run_suite.py
- test/srt/test_piecewise_cuda_graph_2_gpu.py
artifact_dir: evidence/pull-bundles/sglang/gh-14164
head_ref_oid: 059c0b1923f16b79c9414bbc084c8dfa6b38d69f
---
# EP Support for Piecewise Cuda Graph

- Repository: `sgl-project/sglang`
- PR: [14164](https://github.com/sgl-project/sglang/pull/14164)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `python/sglang/srt/compilation/backend.py`
- `python/sglang/srt/compilation/compilation_config.py`
- `python/sglang/srt/compilation/piecewise_context_manager.py`
- `python/sglang/srt/layers/communicator.py`
- `python/sglang/srt/layers/moe/ep_moe/layer.py`
- `python/sglang/srt/layers/moe/fused_moe_triton/layer.py`
- `python/sglang/srt/layers/moe/topk.py`
- `python/sglang/srt/model_executor/model_runner.py`
- `python/sglang/srt/model_executor/piecewise_cuda_graph_runner.py`
- `test/srt/run_suite.py`
- `test/srt/test_piecewise_cuda_graph_2_gpu.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-14164`
