---
id: pr-flashinfer-2056
repo: flashinfer-ai/flashinfer
pr: 2056
title: Add custom communicator for trtllm_mnnvl_ar
author: wenscarl
date: '2025-11-22'
url: https://github.com/flashinfer-ai/flashinfer/pull/2056
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: d56be0dc6b16668548b9b2d112db7d61f0763ac9
inclusion_reason: include
changed_paths:
- flashinfer/comm/mnnvl.py
- flashinfer/comm/trtllm_mnnvl_ar.py
- tests/comm/test_trtllm_mnnvl_allreduce.py
- tests/comm/test_trtllm_mnnvl_allreduce_custom_comm.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-2056
head_ref_oid: 602adfe6e934c90dad908a2d80cf9c9a25ed2feb
---
# Add custom communicator for trtllm_mnnvl_ar

- Repository: `flashinfer-ai/flashinfer`
- PR: [2056](https://github.com/flashinfer-ai/flashinfer/pull/2056)
- Decision: `include`
- Reason: include

## Changed Paths

- `flashinfer/comm/mnnvl.py`
- `flashinfer/comm/trtllm_mnnvl_ar.py`
- `tests/comm/test_trtllm_mnnvl_allreduce.py`
- `tests/comm/test_trtllm_mnnvl_allreduce_custom_comm.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2056`
