---
id: pr-flashinfer-1507
repo: flashinfer-ai/flashinfer
pr: 1507
title: update allreduce to match trtllm
author: nvjullin
date: '2025-08-18'
url: https://github.com/flashinfer-ai/flashinfer/pull/1507
source_category: upstream-code
architectures:
- sm100
tags:
- kernel-fusion
techniques:
- kernel-fusion
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 6fb5105b9e0f500e30066d13aab1cf385346be58
inclusion_reason: kernel file changes
changed_paths:
- include/flashinfer/comm/trtllm_allreduce_fusion.cuh
head_ref_oid: 05bc239ab63d3eb08b3cc078440511002c4ef22b
artifact_dir: evidence/pull-bundles/flashinfer/gh-1507
---
# update allreduce to match trtllm

- Repository: `flashinfer-ai/flashinfer`
- PR: [1507](https://github.com/flashinfer-ai/flashinfer/pull/1507)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `include/flashinfer/comm/trtllm_allreduce_fusion.cuh`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1507`
