---
id: pr-vllm-32936
repo: vllm-project/vllm
pr: 32936
title: '[Model Runner V2] support auto resolve cudagraph mode/sizes based on attn backend'
author: izhuhaoran
date: '2026-04-10'
url: https://github.com/vllm-project/vllm/pull/32936
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 8f121f7879669b5b6aced90f3d47a518ffd7f95d
inclusion_reason: defer
changed_paths:
- vllm/config/compilation.py
- vllm/v1/worker/gpu/attn_utils.py
- vllm/v1/worker/gpu/dp_utils.py
- vllm/v1/worker/gpu/model_runner.py
- vllm/v1/worker/gpu/spec_decode/eagle/speculator.py
- vllm/v1/worker/gpu_model_runner.py
artifact_dir: evidence/pull-bundles/vllm/gh-32936
head_ref_oid: 94cde92ad2b69ea7c6acc98ada9ac2ce5d6dafbf
---
# [Model Runner V2] support auto resolve cudagraph mode/sizes based on attn backend

- Repository: `vllm-project/vllm`
- PR: [32936](https://github.com/vllm-project/vllm/pull/32936)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `vllm/config/compilation.py`
- `vllm/v1/worker/gpu/attn_utils.py`
- `vllm/v1/worker/gpu/dp_utils.py`
- `vllm/v1/worker/gpu/model_runner.py`
- `vllm/v1/worker/gpu/spec_decode/eagle/speculator.py`
- `vllm/v1/worker/gpu_model_runner.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-32936`
