NDLI: Application-aware scaling governor for wearable devices

Content Provider	IEEE Xplore Digital Library
Author	Jae Min Kim Minyong Kim Sung Woo Chung
Copyright Year	2014
Description	Author affiliation: Div. of Comput. & Commun. Eng., Korea Univ., Seoul, South Korea (Jae Min Kim; Minyong Kim; Sung Woo Chung)
Abstract	Application characteristics include useful information that enhances power management techniques; for instance, a QoS-sensitive application does not need to be run any faster, as long as its QoS is preserved. In recently emerged wearable devices, power management techniques can easily utilize the characteristics, since the number of applications is limited and almost all applications are downloaded from one single application market. In this paper, we analyze the power savings by application-aware scaling governor that manages dynamic voltage frequency scaling (DVFS). Our real measurement results show that the application-aware scaling governor reduces system-wide energy consumption (12% on average) and enhances the performance (10% on average), compared to the conventional scaling governors in case of performance-sensitive applications. In addition, the application-aware scaling governor saves power (10% on average) without any noticeable QoS degradation in case of QoS-sensitive applications.
Starting Page	1
Ending Page	8
File Size	1714842
Page Count	8
File Format	PDF
ISBN	9781479954124
DOI	10.1109/PATMOS.2014.6951876
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-29
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wearable Devices Power Management Quality of service DVFS
Content Type	Text
Resource Type	Article

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