---
id: pr-cccl-cub-9031
repo: NVIDIA/cccl
pr: 9031
title: '[Tile] Avoid calling a device only function in tile mode'
author: miscco
date: '2026-05-15'
url: https://github.com/NVIDIA/cccl/pull/9031
source_category: upstream-code
architectures:
- sm100
tags:
- block
techniques: []
hardware_features: []
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 150c6ccd451d79569dd7a3f464477f7dd95f442e
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- libcudacxx/include/cuda/std/__bit/byteswap.h
artifact_dir: evidence/pull-bundles/cccl-cub/gh-9031
head_ref_oid: 3f6d6ed561983e4493767a7f315af02594b226f9
---
# [Tile] Avoid calling a device only function in tile mode

- Repository: `NVIDIA/cccl`
- PR: [9031](https://github.com/NVIDIA/cccl/pull/9031)
- 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

- `libcudacxx/include/cuda/std/__bit/byteswap.h`

## Evidence Bundle

`evidence/pull-bundles/cccl-cub/gh-9031`
