An effcient power-saving scheduling algorithm

Keng Mao Cho, Chun Wei Tsai, Chu Sing Yang

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

Dynamic voltage and frequency scaling to reduce power consumption in embedded systems is a promising research domain. Most of these approaches usually use the ratio between the deadline of a task and the worst case execution time of the task to modify the processor's operating frequency. As a result, an analysis of the given application must be conducted to obtain some parameters for the algorithm. Since countless applications are available for portable devices, it is difficult to implement these approaches on portable devices. To deal with these issues, an efficient algorithm for reducing power consumption that can be easily implemented on an actual hardware device is presented. The proposed algorithm combines priority-based scheduling and earliest deadline first scheduling to schedule real-time tasks and normal tasks. It then uses a periodic routine to check whether the system has satisfied any conditions that require it to modify the operating mode. The experiment results show that the proposed algorithm can reduce energy consumption by up to 45.1%.

原文English
頁(從 - 到)63-71
頁數9
期刊Journal of Internet Technology
17
發行號1
DOIs
出版狀態Published - 2016 一月 1

All Science Journal Classification (ASJC) codes

  • Software
  • Computer Networks and Communications

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