---
id: pr-vllm-38635
repo: vllm-project/vllm
pr: 38635
title: '[Feature] NUMA binding support for GPU workers'
author: Harry-Chen
date: '2026-04-08'
url: https://github.com/vllm-project/vllm/pull/38635
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 75e01a39a16c1f39d5e2cf37edb6525df1a76c9f
inclusion_reason: defer
changed_paths:
- docs/configuration/optimization.md
- tests/engine/test_arg_utils.py
- tests/utils_/test_numa_utils.py
- tests/utils_/test_system_utils.py
- vllm/config/parallel.py
- vllm/engine/arg_utils.py
- vllm/platforms/cuda.py
- vllm/utils/numa_utils.py
- vllm/utils/numa_wrapper.sh
- vllm/utils/system_utils.py
- vllm/v1/engine/core.py
- vllm/v1/engine/utils.py
- vllm/v1/executor/multiproc_executor.py
artifact_dir: evidence/pull-bundles/vllm/gh-38635
head_ref_oid: a08989a4e6ff65d85628575ea4908de49ca8b8da
---
# [Feature] NUMA binding support for GPU workers

- Repository: `vllm-project/vllm`
- PR: [38635](https://github.com/vllm-project/vllm/pull/38635)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `docs/configuration/optimization.md`
- `tests/engine/test_arg_utils.py`
- `tests/utils_/test_numa_utils.py`
- `tests/utils_/test_system_utils.py`
- `vllm/config/parallel.py`
- `vllm/engine/arg_utils.py`
- `vllm/platforms/cuda.py`
- `vllm/utils/numa_utils.py`
- `vllm/utils/numa_wrapper.sh`
- `vllm/utils/system_utils.py`
- `vllm/v1/engine/core.py`
- `vllm/v1/engine/utils.py`
- `vllm/v1/executor/multiproc_executor.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-38635`
