---
id: pr-flashinfer-2171
repo: flashinfer-ai/flashinfer
pr: 2171
title: Fix gemm allreduce two shot
author: aleozlx
date: '2025-12-05'
url: https://github.com/flashinfer-ai/flashinfer/pull/2171
source_category: upstream-code
architectures:
- sm100
tags:
- gemm
techniques: []
hardware_features: []
kernel_types:
- gemm
languages:
- cute-dsl
captured_at: '2026-04-27'
status: merged
merge_sha: b9720052ffaeb25c2de89828f81ee680c511117d
inclusion_reason: kernel file changes
changed_paths:
- flashinfer/cute_dsl/gemm_allreduce_two_shot.py
- tests/gemm/test_cute_dsl_gemm_allreduce_two_shot.py
head_ref_oid: fa4467ee7de26c386ebd6ba52c511c31daa11401
artifact_dir: evidence/pull-bundles/flashinfer/gh-2171
---
# Fix gemm allreduce two shot

- Repository: `flashinfer-ai/flashinfer`
- PR: [2171](https://github.com/flashinfer-ai/flashinfer/pull/2171)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `flashinfer/cute_dsl/gemm_allreduce_two_shot.py`
- `tests/gemm/test_cute_dsl_gemm_allreduce_two_shot.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2171`
