Implementation of random linear network coding on OpenGL-enabled graphics cards

Péter Vingelmann, Peter Zanaty, F. Fitzek, H. Charaf
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引用次数: 38

Abstract

This paper describes the implementation of network coding on OpenGL-enabled graphics cards. Network coding is an interesting approach to increase the capacity and robustness in multi-hop networks. The current problem is to implement random linear network coding on mobile devices which are limited in computational power, energy, and memory. Some mobile devices are equipped with a 3D graphics accelerator, which could be used to do most of the RLNC related calculations. Such a cross-over have already been used in computationally demanding research tasks as in physics or medicine. As a first step the paper focuses on the implementation of RLNC using the OpenGL library and NVidia's Cg toolkit on desktop PCs and laptops. Several measurement results show that the implementation on the graphics accelerator is outperforming the CPU by a significant margin. The OpenGL implementation performs relatively better with larger generation sizes due to the parallel nature of GPUs. Therefore the paper shows an appealing solution for the future to perform network coding on mobile devices.
在支持opengl的显卡上实现随机线性网络编码
本文描述了网络编码在支持opengl的显卡上的实现。网络编码是提高多跳网络容量和鲁棒性的一种有效方法。目前的问题是如何在计算能力、能量和内存有限的移动设备上实现随机线性网络编码。一些移动设备配备了3D图形加速器,可以用来做大多数与RLNC相关的计算。这种交叉已经被用于物理或医学等对计算要求很高的研究任务中。作为第一步,本文着重于在台式机和笔记本电脑上使用OpenGL库和NVidia的Cg工具包实现RLNC。几个测量结果表明,在图形加速器上实现的性能明显优于CPU。由于gpu的并行特性,OpenGL实现在更大的生成规模下表现相对更好。因此,本文为未来在移动设备上进行网络编码提供了一个有吸引力的解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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