---
id: pr-tilelang-2151
repo: tile-ai/tilelang
pr: 2151
title: '[TMA] Fix TMA descriptor init placement'
author: LeiWang1999
date: '2026-05-06'
url: https://github.com/tile-ai/tilelang/pull/2151
source_category: upstream-code
architectures:
- sm90
tags:
- hopper
techniques:
- async-copy
hardware_features:
- hopper
- tma
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 3e87f1e872b7d45558472a8d7a814c832fe84d43
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/transform/lower_hopper_intrin.cc
- testing/python/transform/test_tilelang_transform_lower_hopper_intrin.py
artifact_dir: evidence/pull-bundles/tilelang/gh-2151
head_ref_oid: 7ef000116fe3b513911093f20668481fcdd4db0f
---
# [TMA] Fix TMA descriptor init placement

- Repository: `tile-ai/tilelang`
- PR: [2151](https://github.com/tile-ai/tilelang/pull/2151)
- 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/transform/lower_hopper_intrin.cc`
- `testing/python/transform/test_tilelang_transform_lower_hopper_intrin.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-2151`
