---
id: pr-sglang-5724
repo: sgl-project/sglang
pr: 5724
title: '[PP] Add pipeline parallelism'
author: Ying1123
date: '2025-05-01'
url: https://github.com/sgl-project/sglang/pull/5724
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- pipeline-stages
techniques:
- pipeline-stages
hardware_features: []
kernel_types:
- attention
languages:
- cuda-cpp
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 11383cec3c08e7912c4398838e33eafe529e1732
inclusion_reason: kernel file changes
changed_paths:
- python/sglang/bench_one_batch.py
- python/sglang/srt/entrypoints/engine.py
- python/sglang/srt/layers/dp_attention.py
- python/sglang/srt/layers/utils.py
- python/sglang/srt/managers/data_parallel_controller.py
- python/sglang/srt/managers/schedule_batch.py
- python/sglang/srt/managers/scheduler.py
- python/sglang/srt/managers/scheduler_output_processor_mixin.py
- python/sglang/srt/managers/tp_worker.py
- python/sglang/srt/managers/tp_worker_overlap_thread.py
- python/sglang/srt/mem_cache/memory_pool.py
- python/sglang/srt/model_executor/cuda_graph_runner.py
- python/sglang/srt/model_executor/forward_batch_info.py
- python/sglang/srt/model_executor/model_runner.py
- python/sglang/srt/models/llama.py
- python/sglang/srt/models/llama4.py
- python/sglang/srt/models/llama_eagle.py
- python/sglang/srt/models/llama_eagle3.py
- python/sglang/srt/server_args.py
- python/sglang/srt/speculative/eagle_worker.py
- python/sglang/srt/utils.py
- python/sglang/test/test_utils.py
- test/srt/run_suite.py
- test/srt/test_pp_single_node.py
- test/srt/test_vlm_accuracy.py
head_ref_oid: 0ccee7abf22d566934fb5ae192ee3285ec2df667
artifact_dir: evidence/pull-bundles/sglang/gh-5724
---
# [PP] Add pipeline parallelism

- Repository: `sgl-project/sglang`
- PR: [5724](https://github.com/sgl-project/sglang/pull/5724)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `python/sglang/bench_one_batch.py`
- `python/sglang/srt/entrypoints/engine.py`
- `python/sglang/srt/layers/dp_attention.py`
- `python/sglang/srt/layers/utils.py`
- `python/sglang/srt/managers/data_parallel_controller.py`
- `python/sglang/srt/managers/schedule_batch.py`
- `python/sglang/srt/managers/scheduler.py`
- `python/sglang/srt/managers/scheduler_output_processor_mixin.py`
- `python/sglang/srt/managers/tp_worker.py`
- `python/sglang/srt/managers/tp_worker_overlap_thread.py`
- `python/sglang/srt/mem_cache/memory_pool.py`
- `python/sglang/srt/model_executor/cuda_graph_runner.py`
- `python/sglang/srt/model_executor/forward_batch_info.py`
- `python/sglang/srt/model_executor/model_runner.py`
- `python/sglang/srt/models/llama.py`
- `python/sglang/srt/models/llama4.py`
- `python/sglang/srt/models/llama_eagle.py`
- `python/sglang/srt/models/llama_eagle3.py`
- `python/sglang/srt/server_args.py`
- `python/sglang/srt/speculative/eagle_worker.py`
- `python/sglang/srt/utils.py`
- `python/sglang/test/test_utils.py`
- `test/srt/run_suite.py`
- `test/srt/test_pp_single_node.py`
- `test/srt/test_vlm_accuracy.py`

## Evidence Bundle

`evidence/pull-bundles/sglang/gh-5724`
