---
id: pr-cccl-cub-8898
repo: NVIDIA/cccl
pr: 8898
title: Move segmented radix sort policies to own header
author: bernhardmgruber
date: '2026-05-12'
url: https://github.com/NVIDIA/cccl/pull/8898
source_category: upstream-code
architectures:
- sm100
tags:
- sort
techniques: []
hardware_features: []
kernel_types:
- sort
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: 9778eaedcc39dd6d6aa172728c5faf8c66801344
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- cub/benchmarks/bench/segmented_radix_sort/keys.cu
- cub/cub/device/device_segmented_radix_sort.cuh
- cub/cub/device/dispatch/dispatch_segmented_radix_sort.cuh
- cub/cub/device/dispatch/kernels/kernel_segmented_radix_sort.cuh
- cub/cub/device/dispatch/tuning/tuning_radix_sort.cuh
- cub/cub/device/dispatch/tuning/tuning_segmented_radix_sort.cuh
artifact_dir: evidence/pull-bundles/cccl-cub/gh-8898
head_ref_oid: a6763b7107c7218cc917a74bac1eea302ea8d007
---
# Move segmented radix sort policies to own header

- Repository: `NVIDIA/cccl`
- PR: [8898](https://github.com/NVIDIA/cccl/pull/8898)
- 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

- `cub/benchmarks/bench/segmented_radix_sort/keys.cu`
- `cub/cub/device/device_segmented_radix_sort.cuh`
- `cub/cub/device/dispatch/dispatch_segmented_radix_sort.cuh`
- `cub/cub/device/dispatch/kernels/kernel_segmented_radix_sort.cuh`
- `cub/cub/device/dispatch/tuning/tuning_radix_sort.cuh`
- `cub/cub/device/dispatch/tuning/tuning_segmented_radix_sort.cuh`

## Evidence Bundle

`evidence/pull-bundles/cccl-cub/gh-8898`
