Dynamic power management for streaming data

被引：9
作者：
Pettis, N [1 ]
Cai, L [1 ]
Lu, YH [1 ]
机构：
[1] Purdue Univ, Sch Elect & Comp Engn, W Lafayette, IN 47907 USA
来源：
ISLPED '04: PROCEEDINGS OF THE 2004 INTERNATIONAL SYMPOSIUM ON LOW POWER ELECTRONICS AND DESIGN | 2004年
关键词：
dynamic power management; streaming video; prefetching; quality of service;
D O I：
10.1145/1013235.1013256
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a method that uses data buffers to smoothen request variations and to create long idleness for power management. This method considers the power consumed by the buffers and assigns an energy penalty for buffer underflow. Our approach provides analytic formulas for calculating the optimal buffer sizes and the amount of data to store in the buffers. We use video prefetching as a case study and obtain power savings of more than 74% for MPEG-1 and 34% for MPEG-2 videos.
引用
收藏
页码：62 / 65
页数：4
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