NDLI: Fine-grained per-core frequency scheduling for power efficient-multicore execution

Content Provider	IEEE Xplore Digital Library
Author	Xinghui Zhao Jamali, N.
Copyright Year	2011
Description	Author affiliation: Department of Computer Science, University of Saskatchewan, 176 Thorvaldson Building, 110 Science Place, Saskatoon, SK, Canada, S7N 5C9 (Xinghui Zhao; Jamali, N.)
Abstract	There is growing interest in the energy consumed by computer systems, for both individual (battery life) and environmental (global warming) reasons. Multicore architectures offer a potential opportunity for energy conservation by allowing cores to operate at lower frequencies. Previous work on analyzing power consumption of multicores assumes that all cores must run at the same frequency. However, new technologies, such as fast voltage scaling and Turbo Boost, allow cores to operate at different frequencies. In this paper, we present an energy-aware resource management model, ROT-MCP, which provides a flexible way to analyze energy consumption of multicores operating at non-uniform frequencies. This information can then be used to generate a energy-efficient schedule for execution of the computations - as well as a schedule of frequency changes on a per-core basis - while satisfying performance requirements of computations. Experimental results show that the energy savings achieved using this approach far outweigh the energy consumed in the reasoning required for generating the schedules.
Starting Page	1
Ending Page	8
File Size	638035
Page Count	8
File Format	PDF
ISBN	9781457712227
e-ISBN	9781457712210
DOI	10.1109/IGCC.2011.6008585
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multicore processing Computational modeling Energy Conservation Frequency Scheduling Performance Resource Management
Content Type	Text
Resource Type	Article

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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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