dd4rk / cuda-example-reduction

CUDA Example of parallel reduction

CUDA Example of Reduction

Introduction

CUDA example of parallel reduction, see NVIDIA slide.

Prerequisites

• CLion (recommended) or other IDEs
• CUDA
• Boost headers, see details in Boost website

Build

• CMake, no additional arguments required

Test

• run reduction executable

Performance Evaluation

• NVIDIA GeForce RTX® 3090 Ti

function	trials	mean (us)	median (us)	std. dev.
reduce1	10000	62.777	62.464	0.001234
reduce2	10000	47.744	47.904	0.000621
reduce3	10000	46.681	46.848	0.000522
reduce4	10000	26.134	26.240	0.001109
reduce5	10000	21.237	21.408	0.000857
reduce6	10000	21.221	21.376	0.001036
reduce7	10000	21.275	21.344	0.001480