---
id: pr-flashinfer-2228
repo: flashinfer-ai/flashinfer
pr: 2228
title: 'fix: Eliminate the usage of CUDA ARCH macro in host function.'
author: timlee0212
date: '2025-12-17'
url: https://github.com/flashinfer-ai/flashinfer/pull/2228
source_category: upstream-code
architectures:
- sm100
tags: []
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: c7f9da2f162f88b5c8f3428f39661eb99f7cb21e
inclusion_reason: defer
changed_paths:
- include/flashinfer/comm/trtllm_mnnvl_allreduce.cuh
- tests/comm/test_trtllm_mnnvl_allreduce.py
artifact_dir: evidence/pull-bundles/flashinfer/gh-2228
head_ref_oid: 600f18631b93a293cf1f3fa5ab08af6cf8803c29
---
# fix: Eliminate the usage of CUDA ARCH macro in host function.

- Repository: `flashinfer-ai/flashinfer`
- PR: [2228](https://github.com/flashinfer-ai/flashinfer/pull/2228)
- Decision: `defer`
- Reason: defer

## Changed Paths

- `include/flashinfer/comm/trtllm_mnnvl_allreduce.cuh`
- `tests/comm/test_trtllm_mnnvl_allreduce.py`

## Evidence Bundle

`evidence/pull-bundles/flashinfer/gh-2228`
