---
id: pr-flashinfer-1096
repo: flashinfer-ai/flashinfer
pr: 1096
title: 'feat: add trtllm all-reduce (non-MoE)'
author: yyihuang
date: '2025-06-02'
url: https://github.com/flashinfer-ai/flashinfer/pull/1096
source_category: upstream-code
architectures:
- sm100
tags:
- moe
techniques: []
hardware_features: []
kernel_types:
- moe
languages:
- cuda-cpp
captured_at: '2026-04-17'
status: merged
merge_sha: 1600e3e5beceee889410544a7f4f5c9555555494
inclusion_reason: kernel file changes
changed_paths:
- csrc/logging.cc
- csrc/trtllm_allreduce.cu
- custom_backend.py
- flashinfer/aot.py
- flashinfer/comm.py
- flashinfer/jit/cpp_ext.py
- flashinfer/jit/env.py
- flashinfer/utils.py
- include/flashinfer/comm/trtllm_allreduce.cuh
- include/flashinfer/exception.h
- include/flashinfer/logging.h
- include/flashinfer/utils.cuh
- include/flashinfer/vec_dtypes.cuh
- pyproject.toml
- tests/test_trtllm_allreduce.py
head_ref_oid: 655fbdc9c4ba35bda04709eb93d4ad5fec7a7458
artifact_dir: evidence/pull-bundles/flashinfer/gh-1096
---
# feat: add trtllm all-reduce (non-MoE)

- Repository: `flashinfer-ai/flashinfer`
- PR: [1096](https://github.com/flashinfer-ai/flashinfer/pull/1096)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `csrc/logging.cc`
- `csrc/trtllm_allreduce.cu`
- `custom_backend.py`
- `flashinfer/aot.py`
- `flashinfer/comm.py`
- `flashinfer/jit/cpp_ext.py`
- `flashinfer/jit/env.py`
- `flashinfer/utils.py`
- `include/flashinfer/comm/trtllm_allreduce.cuh`
- `include/flashinfer/exception.h`
- `include/flashinfer/logging.h`
- `include/flashinfer/utils.cuh`
- `include/flashinfer/vec_dtypes.cuh`
- `pyproject.toml`
- `tests/test_trtllm_allreduce.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-1096`
