---
id: pr-cccl-cub-5822
repo: NVIDIA/cccl
pr: 5822
title: Do not require `int128` in `for_each_canceled`
author: davebayer
date: '2025-09-29'
url: https://github.com/NVIDIA/cccl/pull/5822
source_category: upstream-code
architectures:
- sm100
tags:
- sm100
techniques: []
hardware_features:
- blackwell
kernel_types: []
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 6e8446ce25f7c0a2c03f95f32e7fa75cb567ba1f
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- libcudacxx/include/cuda/__functional/for_each_canceled.h
- libcudacxx/test/libcudacxx/cuda/work_stealing/for_each_canceled/for_each_canceled.pass.cpp
artifact_dir: evidence/pull-bundles/cccl-cub/gh-5822
head_ref_oid: 8b7f9ca4e291f5deefbc63ab276b552d3f9f7ec5
---
# Do not require `int128` in `for_each_canceled`

- Repository: `NVIDIA/cccl`
- PR: [5822](https://github.com/NVIDIA/cccl/pull/5822)
- 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/__functional/for_each_canceled.h`
- `libcudacxx/test/libcudacxx/cuda/work_stealing/for_each_canceled/for_each_canceled.pass.cpp`

## Evidence Bundle

`evidence/pull-bundles/cccl-cub/gh-5822`
