A Generalized Framework for Energy Savings in Real-Time Multiprocessor Systems

被引：0
|
作者：
Zeng, Gang [1 ]
Yokoyama, Tetsuo [1 ]
Tomiyama, Hiroyuki [1 ]
Takada, Hiroaki [1 ]
Ishihara, Tohru [2 ]
机构：
[1] Nagoya Univ, Grad Sch Informat Sci, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan
[2] Kyushu Univ, Syst LSI Res Ctr, Sawara Ku, Fukuoka 8140001, Japan
来源：
ISOCC: 2008 INTERNATIONAL SOC DESIGN CONFERENCE, VOLS 1-3 | 2008年
关键词：
embedded real-time systems; energy-aware multiprocessor scheduling; dynamic hardware resource configuration; dynamic voltage frequency scaling; dynamic power management;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A generalized dynamic energy performance scaling (DEPS) framework is proposed for exploring application-specific energy-saving potential in multiprocessor systems. This software-centric framework takes advantage of possible power control mechanisms to trade off performance for energy savings. Three existing technologies, i.e., dynamic hardware resource configuration (DHRC), dynamic voltage frequency scaling (DVFS), and dynamic power management (DPM), have been employed in this framework to achieve the maximal energy savings. The problem of determining the optimal task allocation and DEPS configurations is formulated as an integer linear programming (ILP) problem. Several practical issues such as how to reduce measurement and computation time and how to reduce the configuration overhead are also addressed. The effectiveness of DEPS is validated through a case study.
引用
收藏
页码：44 / +
页数：2
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