[1] Bu Aiguo,. Application study of dynamic voltage scaling policies [J]. Journal of Southeast University (English Edition), 2010, 26 (3): 406-409. [doi:10.3969/j.issn.1003-7985.2010.03.007]

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Application study of dynamic voltage scaling policies()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

26

Issue:

2010 3

Page:

406-409

Research Field:

Computer Science and Engineering

Publishing date:

2010-09-30

Info

Title:

Application study of dynamic voltage scaling policies

Author(s):

Bu Aiguo

National ASIC System Engineering Research Center, Southeast University, Nanjing 210096, China

Keywords:

dynamic voltage scaling;  dynamic power management;  circuit power;  circuit delay

PACS:

TP314

DOI:

10.3969/j.issn.1003-7985.2010.03.007

Abstract:

Based on the fundamental relationship among the circuit power, the circuit delay and the supply voltage, four theorems associated with the application of dynamic voltage scaling(DVS)policies are proposed and proved. First, the existence characteristics of the optimal supply voltage for a single task are proved, which suggests that the optimal supply voltage for the single task should be selected only within a one-dimensional term, and the corresponding task end time by the optimal supply voltage should be identical with its deadline. Then, it is pointed out that the minimum energy consumption that the DVS policy can obtain when completing a single task is certainly lower than that of the dynamic power management(DPM)policy or the combined DVS+DPM policy under the same conditions. Finally, the theorem of energy consumption minimization for a multi-task group is proposed, which declares that it is necessary to keep the processor in the execution state during the whole task period to obtain the minimum energy consumption, while satisfying the deadline constraints of any task.

References:

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[8] Luo Jiong, Jha N, Li-Shiuan Peh. Simultaneous dynamic voltage scaling of processors and communication links in real-time distributed embedded systems[J]. IEEE Trans on Very Large Scale Integration Systems, 2007, 15(4): 427-437.
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Memo

Memo:

Biography: Bu Aiguo(1978—), male, doctor, patriotic@126.com.
Citation: Bu Aiguo. Application study of dynamic voltage scaling policies[J].Journal of Southeast University(English Edition), 2010, 26(3):406-409.

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