---
id: pr-cccl-cub-7510
repo: NVIDIA/cccl
pr: 7510
title: Extend `DeviceTransform` tuning
author: bernhardmgruber
date: '2026-02-27'
url: https://github.com/NVIDIA/cccl/pull/7510
source_category: upstream-code
architectures:
- sm100
tags:
- benchmark kernel
techniques: []
hardware_features: []
kernel_types: []
languages:
- cuda-cpp
captured_at: '2026-05-16'
status: merged
merge_sha: dabcb7e89dfdc78f046ba2617d73f03479eadf80
inclusion_reason: Search-matched CUDA kernel optimization PR; materialize diff/source before synthesis.
changed_paths:
- cub/benchmarks/bench/transform/babelstream.cu
- cub/benchmarks/bench/transform/common.h
- cub/benchmarks/bench/transform/complex_cmp.cu
- cub/benchmarks/bench/transform/fib.cu
- cub/benchmarks/bench/transform/fill.cu
- cub/benchmarks/bench/transform/grayscale.cu
- cub/benchmarks/bench/transform/heavy.cu
- cub/benchmarks/bench/transform/pytorch.cu
- cub/cub/device/dispatch/kernels/kernel_transform.cuh
- cub/cub/device/dispatch/tuning/tuning_transform.cuh
artifact_dir: evidence/pull-bundles/cccl-cub/gh-7510
head_ref_oid: 488d05144aa2c4625045060d42433130a0e5eeaf
---
# Extend `DeviceTransform` tuning

- Repository: `NVIDIA/cccl`
- PR: [7510](https://github.com/NVIDIA/cccl/pull/7510)
- 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/transform/babelstream.cu`
- `cub/benchmarks/bench/transform/common.h`
- `cub/benchmarks/bench/transform/complex_cmp.cu`
- `cub/benchmarks/bench/transform/fib.cu`
- `cub/benchmarks/bench/transform/fill.cu`
- `cub/benchmarks/bench/transform/grayscale.cu`
- `cub/benchmarks/bench/transform/heavy.cu`
- `cub/benchmarks/bench/transform/pytorch.cu`
- `cub/cub/device/dispatch/kernels/kernel_transform.cuh`
- `cub/cub/device/dispatch/tuning/tuning_transform.cuh`

## Evidence Bundle

`evidence/pull-bundles/cccl-cub/gh-7510`
