A survey of design techniques for system-level dynamic power management

Dynamic power management (DPM) is a design methodology for dynamically reconfiguring systems to provide the requested services and performance levels with a minimum number of active components or a minimum load on such components. DPM encompasses a set of techniques that achieves energy-efficient co...

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Bibliographic Details
Published in:IEEE transactions on very large scale integration (VLSI) systems 2000-06, Vol.8 (3), p.299-316
Main Authors: Benini, L., Bogliolo, A., De Micheli, G.
Format: Article
Language:English
Subjects:
Computer displays
Design engineering
Design methodology
Dynamical systems
Dynamics
Electronic systems
Energy efficiency
Energy management
Hardware
Management
Optical noise
Power consumption
Power system management
Telephony
Turning
Very large scale integration
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Summary:Dynamic power management (DPM) is a design methodology for dynamically reconfiguring systems to provide the requested services and performance levels with a minimum number of active components or a minimum load on such components. DPM encompasses a set of techniques that achieves energy-efficient computation by selectively turning off (or reducing the performance of) system components when they are idle (or partially unexploited). In this paper, we survey several approaches to system-level dynamic power management. We first describe how systems employ power-manageable components and how the use of dynamic reconfiguration can impact the overall power consumption. We then analyze DPM implementation issues in electronic systems, and we survey recent initiatives in standardizing the hardware/software interface to enable software-controlled power management of hardware components.
ISSN:1063-8210
1557-9999
DOI:10.1109/92.845896