DVFS Virtualization for Energy Minimization of Mixed-Criticality Dual-OS Platforms

IF 0.5 Q4 COMPUTER SCIENCE, SOFTWARE ENGINEERING
Takumi Komori, Yutaka Masuda, T. Ishihara
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引用次数: 1

Abstract

A dual-OS platform can efficiently implement emerging mixed-criticality systems by consolidating a real-time OS (RTOS) and a general-purpose OS (GPOS). Although the dual-OS platform attracts increasing attention, it often suffers from energy inefficiency in the GPOS for guaranteeing real-time responses of the RTOS. This paper proposes an energy minimization method called DVFS virtualization, which allows running multiple DVFS policies dedicated to the RTOS and GPOS, respectively. The experimental evaluation using a commercial processor showed that the proposed hardware could change the supply voltage within 500 ns and reduce the energy consumption of typical applications by 60 % in the best case compared to conventional dual-OS platforms.
混合临界双操作系统平台能耗最小化的DVFS虚拟化
双操作系统平台通过整合实时操作系统(RTOS)和通用操作系统(GPOS),可以有效地实现新兴的混合关键系统。尽管双操作系统平台越来越受到人们的关注,但为了保证实时操作系统的实时响应,GPOS系统经常存在能量不足的问题。本文提出了一种称为DVFS虚拟化的能量最小化方法,该方法允许分别运行多个专用于RTOS和GPOS的DVFS策略。使用商用处理器的实验评估表明,与传统的双操作系统平台相比,所提出的硬件可以在500 ns内改变电源电压,并在最佳情况下将典型应用的能耗降低60%。
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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来源期刊
CiteScore
1.70
自引率
14.30%
发文量
17
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