---
id: pr-flashinfer-1545
repo: flashinfer-ai/flashinfer
pr: 1545
title: fix trtllm_allreduce_fusion twoshot register problem.
author: strgrb
date: '2025-08-22'
url: https://github.com/flashinfer-ai/flashinfer/pull/1545
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: ade0a4ac9708a2695fde70ca192d25d1a429a797
inclusion_reason: kernel file changes
changed_paths:
- include/flashinfer/comm/trtllm_allreduce_fusion.cuh
head_ref_oid: d6a2422c7a11e4b147d6aa02fab112b16c4598a9
artifact_dir: evidence/pull-bundles/flashinfer/gh-1545
---
# fix trtllm_allreduce_fusion twoshot register problem.

- Repository: `flashinfer-ai/flashinfer`
- PR: [1545](https://github.com/flashinfer-ai/flashinfer/pull/1545)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

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

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1545`
