A DVFS BASED HEVC DECODER FOR ENERGY-EFFICIENT SOFTWARE IMPLEMENTATION ON EMBEDDED PROCESSORS

被引：0

作者：

Nogues, Erwan ^{[1
]}

Berrada, Romain ^{[1
]}

Pelcat, Maxime ^{[1
]}

Menard, Daniel ^{[1
]}

Raffin, Erwan ^{[1
]}

机构：

[1] INSA, IETR, Rennes, France

来源：

2015 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA & EXPO (ICME) | 2015年

关键词：

HEVC; low power; DVFS;

D O I：

暂无

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

Software video decoders for mobile devices are now a reality thanks to recent advances in Systems-on-Chip (SoC). The challenge has now moved to designing energy efficient systems. In this paper, we propose a light Dynamic Voltage Frequency Scaling (DVFS)-enabled software adapted to the much varying processing load of High Efficiency Video Coding (HEVC) real-time decoding. We analyze a practical evaluation of a HEVC decoder using our proposal on a Samsung Exynos low-power SoC widely used in portable devices. Experimental results show more than 50% of power savings on a real-time decoding when compared to the same software managed by the OnDemand Linux power management. For mobile applications, the proposed method can achieve 720p video HEVC decoding at 60 frames per second consuming approximately 1.1W with pure software decoding on a general purpose processor.

引用

页数：6

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