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Power-Composition Profile Driven Co-Synthesis with Power Management Selection for Dynamic and Leakage Energy Reduction

Wu, Dong, Al-Hashimi, Bashir M, Schmitz, Marcus T and Eles, Petru (2005) Power-Composition Profile Driven Co-Synthesis with Power Management Selection for Dynamic and Leakage Energy Reduction At 8th EUROMICRO Conference on Digital System Design, Portugal. 30 Aug - 03 Sep 2005.

Record type: Conference or Workshop Item (Paper)

Abstract

Recent research has shown that the combination of dynamic voltage scaling (DVS) and adaptive body biasing (ABB) yields high energy reductions in embedded systems. Nevertheless, the implementation of DVS and ABB requires a significant system cost, making it less attractive for many small systems. In this paper we demonstrate that it is possible to reduce this system cost and to achieve comparable energy saving to that obtained using combined DVS and ABB scheme through a co-synthesis methodology which is aware of the tasks' power-composition profile (the ratio of the dynamic power to the leakage power). In particular, the presented methodology performs a power management selection at the architectural level, i.e., it decides upon which processing elements to be equipped with which power management scheme (DVS, ABB, or combined DVS and ABB) - with the aim to achieve high energy savings at a reduced implementation cost. The proposed technique maps, schedules, and voltage scales applications specified as task graphs with timing constraints. Detailed experiments including a real-life benchmark are conducted to demonstrate the effectiveness of the proposed methodology.

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More information

Published date: 2005
Additional Information: Event Dates: 30 August - 3 September, 2005
Venue - Dates: 8th EUROMICRO Conference on Digital System Design, Portugal, 2005-08-30 - 2005-09-03
Organisations: Electronic & Software Systems

Identifiers

Local EPrints ID: 257390
URI: http://eprints.soton.ac.uk/id/eprint/257390
PURE UUID: 864ed755-a97b-444a-95da-e1606d8cf457

Catalogue record

Date deposited: 06 Jun 2005
Last modified: 18 Jul 2017 09:39

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Contributors

Author: Dong Wu
Author: Marcus T Schmitz
Author: Petru Eles

University divisions

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