---
id: pr-tilelang-1703
repo: tile-ai/tilelang
pr: 1703
title: '[Enhancement] Use `cute::elect_one_sync()` for slightly better performance'
author: Rachmanino
date: '2026-01-21'
url: https://github.com/tile-ai/tilelang/pull/1703
source_category: upstream-code
architectures:
- sm100
tags:
- cute
techniques: []
hardware_features: []
kernel_types: []
languages:
- cute-dsl
captured_at: '2026-05-16'
status: merged
merge_sha: 608ab49c39152b3302ee347bb448f06dfc17154e
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- src/tl_templates/cuda/intrin.h
artifact_dir: evidence/pull-bundles/tilelang/gh-1703
head_ref_oid: f1eb6fd6880c9c0674c7bcf335177bcf4cc627a7
---
# [Enhancement] Use `cute::elect_one_sync()` for slightly better performance

- Repository: `tile-ai/tilelang`
- PR: [1703](https://github.com/tile-ai/tilelang/pull/1703)
- 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/cuda/intrin.h`

## Evidence Bundle

`evidence/pull-bundles/tilelang/gh-1703`
