---
id: pr-tensorrt-llm-12882
repo: NVIDIA/TensorRT-LLM
pr: 12882
title: '[TRTLLM-11878][feat] Gen-only sync transfer v2 and manager v2'
author: Shixiaowei02
date: '2026-04-20'
url: https://github.com/NVIDIA/TensorRT-LLM/pull/12882
source_category: upstream-code
architectures:
- sm90
tags:
- hopper
techniques: []
hardware_features:
- hopper
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 50a73bd364c6ccafdafc97ea01d1dcab59e6ef8e
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- tensorrt_llm/_torch/disaggregation/transceiver.py
- tensorrt_llm/_torch/pyexecutor/scheduler/scheduler_v2.py
- tests/integration/defs/accuracy/test_disaggregated_serving.py
- tests/integration/test_lists/qa/llm_function_core.txt
- tests/integration/test_lists/test-db/l0_dgx_b300.yml
- tests/integration/test_lists/test-db/l0_dgx_h100.yml
- tests/unittest/_torch/executor/test_kv_cache_v2_scheduler.py
- tests/unittest/disaggregated/test_py_cache_transceiver_mp.py
artifact_dir: evidence/pull-bundles/tensorrt-llm/gh-12882
head_ref_oid: 6401098e97f447c7de67544d867df0757c53670b
---
# [TRTLLM-11878][feat] Gen-only sync transfer v2 and manager v2

- Repository: `NVIDIA/TensorRT-LLM`
- PR: [12882](https://github.com/NVIDIA/TensorRT-LLM/pull/12882)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `tensorrt_llm/_torch/disaggregation/transceiver.py`
- `tensorrt_llm/_torch/pyexecutor/scheduler/scheduler_v2.py`
- `tests/integration/defs/accuracy/test_disaggregated_serving.py`
- `tests/integration/test_lists/qa/llm_function_core.txt`
- `tests/integration/test_lists/test-db/l0_dgx_b300.yml`
- `tests/integration/test_lists/test-db/l0_dgx_h100.yml`
- `tests/unittest/_torch/executor/test_kv_cache_v2_scheduler.py`
- `tests/unittest/disaggregated/test_py_cache_transceiver_mp.py`

## Evidence Bundle

`evidence/pull-bundles/tensorrt-llm/gh-12882`
