---
id: pr-tilelang-1521
repo: tile-ai/tilelang
pr: 1521
title: '[Bugfix] Fallback to a Linear Layout instead of raising errors'
author: LeiWang1999
date: '2025-12-24'
url: https://github.com/tile-ai/tilelang/pull/1521
source_category: upstream-code
architectures:
- sm100
tags:
- cutlass
techniques: []
hardware_features: []
kernel_types: []
languages:
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: cfccd636f090e9d6dbf55077506bf4b5878eef75
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/layout/gemm_layouts.cc
artifact_dir: evidence/pull-bundles/tilelang/gh-1521
head_ref_oid: 44eeb560fe23f6ac349e9d2b354415c358f6a5e0
---
# [Bugfix] Fallback to a Linear Layout instead of raising errors

- Repository: `tile-ai/tilelang`
- PR: [1521](https://github.com/tile-ai/tilelang/pull/1521)
- 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/layout/gemm_layouts.cc`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1521`
