---
id: pr-tilelang-2046
repo: tile-ai/tilelang
pr: 2046
title: '[Refactor] Remove obsolete RewriteWgmmaSync pass'
author: LeiWang1999
date: '2026-04-15'
url: https://github.com/tile-ai/tilelang/pull/2046
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- fp4
- fp8
- hopper
- mla
- mxfp4
- sm90
techniques: []
hardware_features:
- fp4
- fp8
- hopper
- mxfp4
- wgmma
kernel_types:
- mla
languages:
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 789367800ae0bd71e2c985cc6c8a98a3c6276d49
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/transform/wgmma_sync_rewriter.cc
- tilelang/engine/phase.py
- tilelang/transform/__init__.py
artifact_dir: evidence/pull-bundles/tilelang/gh-2046
head_ref_oid: 00c5dd9621014d6c4589cff076f765dc53a33782
---
# [Refactor] Remove obsolete RewriteWgmmaSync pass

- Repository: `tile-ai/tilelang`
- PR: [2046](https://github.com/tile-ai/tilelang/pull/2046)
- 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/wgmma_sync_rewriter.cc`
- `tilelang/engine/phase.py`
- `tilelang/transform/__init__.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-2046`
