NDLI: Quasi-static assignment of voltages and optional cycles for maximizing rewards in real-time systems with energy constraints

Content Provider	IEEE Xplore Digital Library
Author	Alejandro Cortes, L. Eles, P. Peng, Z.
Copyright Year	2005
Description	Author affiliation: Volvo Truck Corp., Gothenburg, Sweden (Alejandro Cortes, L.)
Abstract	There exist real-time systems for which it is possible to trade off precision for timeliness. In these cases, a function assigns reward to the application depending on the amount of computation allotted to it. At the same time, many such applications run on battery-powered devices with stringent energy constraints. This paper addresses the problem of maximizing rewards subject to time and energy constraints. We propose a quasi-static approach where the problem is solved in two steps: first, at design-time, a number of solutions are computed and stored (off-line phase); second, one of the precomputed solutions is selected at run-time based on actual values of time and energy (on-line phase). Thus our approach is able to exploit, with low on-line overhead, the dynamic slack caused by tasks executing less number of cycles than in the worst case. We conduct numerous experiments in order to show the advantages of our approach.
Sponsorship	acm Special Interest Group on design automation (SIGda) EDA Consortium IEEE CASS/CANDE IEEE Circuits & Syst. Soc
Starting Page	889
Ending Page	894
File Size	1433146
Page Count	6
File Format	PDF
ISBN	1595930582
DOI	10.1109/DAC.2005.193941
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Association for Computing Machinery, Inc. (ACM)
Subject Keyword	Real time systems Runtime Dynamic voltage scaling Voltage control Integrated circuit modeling Permission Time factors Algorithm design and analysis Energy consumption Computational modeling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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