---
id: pr-tilelang-2058
repo: tile-ai/tilelang
pr: 2058
title: '[AMD][Gfx950] Add the support of 160K LDS and copy.async  '
author: zhangnju
date: '2026-04-23'
url: https://github.com/tile-ai/tilelang/pull/2058
source_category: upstream-code
architectures:
- sm100
tags:
- attention
- attention kernel
- benchmark kernel
- matmul
techniques: []
hardware_features: []
kernel_types:
- attention
- gemm
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: 6d0bffb9e72dde2b7ed2a79aef54b5fe09270174
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/tl_templates/hip/copy.h
- testing/python/amd/test_tilelang_gfx950_copy_async.py
- tilelang/carver/arch/cdna.py
artifact_dir: evidence/pull-bundles/tilelang/gh-2058
head_ref_oid: 975e2d34f5ee083a67f811092dac016417da6d83
---
# [AMD][Gfx950] Add the support of 160K LDS and copy.async  

- Repository: `tile-ai/tilelang`
- PR: [2058](https://github.com/tile-ai/tilelang/pull/2058)
- 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/hip/copy.h`
- `testing/python/amd/test_tilelang_gfx950_copy_async.py`
- `tilelang/carver/arch/cdna.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-2058`
