NDLI: Real-energy: A new framework and a case study to evaluate power-aware real-time scheduling algorithms

Content Provider	IEEE Xplore Digital Library
Author	Lin, Jian Song, Wei Cheng, Albert M. K.
Copyright Year	2010
Description	Author affiliation: Dept. of Computer Science, University of Houston Houston, TX 77204, USA (Lin, Jian; Song, Wei; Cheng, Albert M. K.)
Abstract	In the past decades, many algorithms with the goal of achieving energy efficiency have been proposed for scheduling real-time tasks. Due to a lack of a unified testing framework, most of them were evaluated via simulations under their own experimental scenarios. However, finding their performance in real processors is essential if these algorithms are to be used in practice. In this paper, we design a unified framework to evaluate power-aware scheduling algorithms based on a real Intel PXA255 XScale processor, and present a case study to compare several key algorithms using DVS/Shut-Down. The energy efficiency and the quantitative difference in their performance as well as the practical issues found in the implementation of these algorithms are discussed. Our experiments show a gap between the theoretical results and the real results. Our framework not only gives researchers a tool to evaluate their system designs, but also helps them to bridge this gap in their future works.
Starting Page	153
Ending Page	158
File Size	551431
Page Count	6
File Format	PDF
ISBN	9781424485888
DOI	10.1145/1840845.1840877
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-18
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Association for Computing Machinery, Inc. (ACM)
Subject Keyword	Voltage control Real time systems Energy consumption Scheduling algorithm Heuristic algorithms Algorithm design and analysis Program processors Leakage-Aware Real-Time and Embedded Systems Power-Aware Scheduling Algorithms Dynamic Voltage Scaling
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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