---
id: pr-vllm-18833
repo: vllm-project/vllm
pr: 18833
title: '[P/D] Heterogeneous TP'
author: NickLucche
date: '2025-06-04'
url: https://github.com/vllm-project/vllm/pull/18833
source_category: upstream-code
architectures:
- sm100
tags:
- attention
techniques: []
hardware_features: []
kernel_types:
- attention
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: b2fac67130b1cff07b175c4859c297c746e06601
inclusion_reason: kernel file changes
changed_paths:
- tests/v1/kv_connector/nixl_integration/run_accuracy_test.sh
- tests/v1/kv_connector/nixl_integration/test_accuracy.py
- vllm/distributed/kv_transfer/kv_connector/utils.py
- vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
- vllm/v1/attention/backends/flash_attn.py
- vllm/worker/worker_base.py
head_ref_oid: 3d83f79e087501266530468727a87a24effa8994
artifact_dir: evidence/pull-bundles/vllm/gh-18833
---
# [P/D] Heterogeneous TP

- Repository: `vllm-project/vllm`
- PR: [18833](https://github.com/vllm-project/vllm/pull/18833)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/v1/kv_connector/nixl_integration/run_accuracy_test.sh`
- `tests/v1/kv_connector/nixl_integration/test_accuracy.py`
- `vllm/distributed/kv_transfer/kv_connector/utils.py`
- `vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py`
- `vllm/v1/attention/backends/flash_attn.py`
- `vllm/worker/worker_base.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-18833`
