---
id: pr-tilelang-2001
repo: tile-ai/tilelang
pr: 2001
title: '[Refactor] Refactor CUDA atomic helpers'
author: SiriusNEO
date: '2026-03-31'
url: https://github.com/tile-ai/tilelang/pull/2001
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- blackwell
- hopper
- mxfp4
- sm90
techniques: []
hardware_features:
- blackwell
- fp4
- hopper
- mxfp4
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: eb6f05c753876de79989a0dd9290576a2442840e
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/tl_templates/cuda/atomic.h
artifact_dir: evidence/pull-bundles/tilelang/gh-2001
head_ref_oid: 46f08d2242fd54fb82a93406b7e49a391b861ada
---
# [Refactor] Refactor CUDA atomic helpers

- Repository: `tile-ai/tilelang`
- PR: [2001](https://github.com/tile-ai/tilelang/pull/2001)
- Decision: `Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.`
- Reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.

## Changed Paths

- `src/tl_templates/cuda/atomic.h`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-2001`
