---
id: pr-cccl-cub-7571
repo: NVIDIA/cccl
pr: 7571
title: Vectorize reduction also for trivially relocatable types
author: bernhardmgruber
date: '2026-02-22'
url: https://github.com/NVIDIA/cccl/pull/7571
source_category: upstream-code
architectures:
- sm100
tags:
- reduction
techniques:
- vectorized-loads
hardware_features: []
kernel_types:
- reduction
languages: []
captured_at: '2026-05-16'
status: merged
merge_sha: d9ef8983065f95ae1bd97ded5498294b3fe9cd16
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- cub/cub/agent/agent_reduce.cuh
artifact_dir: evidence/pull-bundles/cccl-cub/gh-7571
head_ref_oid: 7ec67a53946e2352082ccb02ab2b9b34f9969c55
---
# Vectorize reduction also for trivially relocatable types

- Repository: `NVIDIA/cccl`
- PR: [7571](https://github.com/NVIDIA/cccl/pull/7571)
- 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/cub/agent/agent_reduce.cuh`

## Evidence Bundle

`evidence/pull-bundles/cccl-cub/gh-7571`
