NDLI: Optimal integration of inter-task and intra-task dynamic voltage scaling techniques for hard real-time applications

Content Provider	IEEE Xplore Digital Library
Author	Jaewon Seo Taewhan Kim Dutt, N.D.
Copyright Year	2005
Description	Author affiliation: KAIST, Daejeon, South Korea (Jaewon Seo)
Abstract	It is generally accepted that the dynamic voltage scaling (DVS) is one of the most effective techniques for energy minimization. According to the granularity of units to which voltage scaling is applied, the DVS problem can be divided into two subproblems: (i) inter-task DVS problem; and (ii) intra-task DVS problem. A lot of effective DVS techniques have addressed either one of the two subproblems, but none of them have attempted to solve both simultaneously, which is mainly due to an excessive computation complexity to solve it optimally. This work addresses this core issue, that is, Can the combined problem be solved effectively and efficiently? More specifically, our work shows, for a set of inter-dependent tasks, that the combined DVS problem can be solved optimally in polynomial time. Experimental results indicate that the proposed integrated DVS technique is able to reduce energy consumption by 10.6% on average over the results by (Zhang et al., 2002 and Seo et al., 2004) (i.e., a straightforward combination of two optimal inter- and intra task DVS techniques).
Starting Page	450
Ending Page	455
File Size	260855
Page Count	6
File Format	PDF
ISBN	078039254X
DOI	10.1109/ICCAD.2005.1560110
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dynamic voltage scaling Voltage control Energy consumption Minimization Circuits Clocks Frequency Timing Polynomials Real time systems
Content Type	Text
Resource Type	Article

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