---
id: pr-flashinfer-2118
repo: flashinfer-ai/flashinfer
pr: 2118
title: Refactor trtllm_mnnvl_allreduce
author: timlee0212
date: '2025-12-12'
url: https://github.com/flashinfer-ai/flashinfer/pull/2118
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 742b3e6c5d5aaddce66d9af96188aff7b3677f5f
inclusion_reason: kernel file changes
changed_paths:
- csrc/trtllm_mnnvl_allreduce.cu
- flashinfer/comm/mnnvl.py
- flashinfer/comm/trtllm_mnnvl_ar.py
- include/flashinfer/comm/trtllm_mnnvl_allreduce.cuh
- include/flashinfer/utils.cuh
- tests/comm/test_trtllm_mnnvl_allreduce.py
head_ref_oid: 0f5b7b31f1bdd2542250d1f05c75a11b808473ae
artifact_dir: evidence/pull-bundles/flashinfer/gh-2118
---
# Refactor trtllm_mnnvl_allreduce

- Repository: `flashinfer-ai/flashinfer`
- PR: [2118](https://github.com/flashinfer-ai/flashinfer/pull/2118)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/trtllm_mnnvl_allreduce.cu`
- `flashinfer/comm/mnnvl.py`
- `flashinfer/comm/trtllm_mnnvl_ar.py`
- `include/flashinfer/comm/trtllm_mnnvl_allreduce.cuh`
- `include/flashinfer/utils.cuh`
- `tests/comm/test_trtllm_mnnvl_allreduce.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2118`
