Presentation 2007/3/9
Frequency Scaling in Real-Time Scheduling on Multiprocessors
Kenji FUNAOKA, Shinpei KATO, Nobuyuki YAMASAKI,
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Abstract(in English) As requirements for embedded systems are widely spread, the most serious limitation on these systems is increase of electricity consumption. To control frequency and voltage of processors can decrease electricity consumption and improve worth of systems. Researches of frequency scaling techniques for real-time scheduling are mostly focused on single processors. In this paper, we provide the frequency scaling techniques which are an extension of LLREF, an optimal real-time scheduling algorithm on multiprocessors. Simulation results show that the difference between our algorithm and optimal algorithm is less than 0.2% when loads of systems are high.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Real-Time Systems / Real-Time Scheduling / Electricity Consumption / Frequency Scaling
Paper # CPSY2006-93,DC2006-107
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Committee DC
Conference Date 2007/3/9(1days)
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Registration To Dependable Computing (DC)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Frequency Scaling in Real-Time Scheduling on Multiprocessors
Sub Title (in English)
Keyword(1) Real-Time Systems
Keyword(2) Real-Time Scheduling
Keyword(3) Electricity Consumption
Keyword(4) Frequency Scaling
1st Author's Name Kenji FUNAOKA
1st Author's Affiliation Graduate School of Science and Technology, Keio University()
2nd Author's Name Shinpei KATO
2nd Author's Affiliation Graduate School of Science and Technology, Keio University
3rd Author's Name Nobuyuki YAMASAKI
3rd Author's Affiliation Graduate School of Science and Technology, Keio University
Date 2007/3/9
Paper # CPSY2006-93,DC2006-107
Volume (vol) vol.106
Number (no) 604
Page pp.pp.-
#Pages 6
Date of Issue