---
id: pr-tilelang-1669
repo: tile-ai/tilelang
pr: 1669
title: '[CUDA] Enhance Broadcast Codegen for Symbolic Value'
author: LeiWang1999
date: '2026-01-14'
url: https://github.com/tile-ai/tilelang/pull/1669
source_category: upstream-code
architectures:
- sm100
tags:
- cutlass
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 2d8d3676eda18bd3d8e6fa783399ff96d3cd4ded
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/target/codegen_cuda.cc
- testing/python/language/test_tilelang_language_vectorize.py
artifact_dir: evidence/pull-bundles/tilelang/gh-1669
head_ref_oid: 6cc682acee808076162a6b0e1cdb47ddfb216486
---
# [CUDA] Enhance Broadcast Codegen for Symbolic Value

- Repository: `tile-ai/tilelang`
- PR: [1669](https://github.com/tile-ai/tilelang/pull/1669)
- 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/target/codegen_cuda.cc`
- `testing/python/language/test_tilelang_language_vectorize.py`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1669`
