A survey of design techniques for system-level dynamic powermanagement
Benini, L.
Bogliolo, A.
De Micheli, G.
Dipt. di Elettronica, Inf. e Sistemistica, Bologna Univ.;
This paper appears in: Very Large Scale Integration (VLSI) Systems, IEEE Transactions on
Publication Date: Jun 2000
Volume: 8,
Issue: 3
On page(s): 299-316
Meeting Date: 08/16/1999 - 08/17/1999
Location: San Diego, CA, USA
ISSN: 1063-8210
References Cited: 54
CODEN: IEVSE9
INSPEC Accession Number: 6642819
Digital Object Identifier: 10.1109/92.845896
Current Version Published: 2002-08-06
Abstract
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
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