Energy Consumption Reduction with Low Computational Needs in Multicore Systems with Energy-Performance Tradeoff

Sylvain Durand 1, 2 Nicolas Marchand 1, 3
1 NECS - Networked Controlled Systems
Inria Grenoble - Rhône-Alpes, GIPSA-DA - Département Automatique
3 GIPSA-SYSCO - SYSCO
GIPSA-DA - Département Automatique
Abstract : A two voltage level electronic device is interesting because the clock frequency and the supply voltage level could be reduced (respecting certain rules) in order to decrease the energy consumption. We proposed in a previous paper a robust control architecture to deal with this power-performance tradeoff and we are now interested in extending this principle for several devices which works together since they are all supplied with the same voltage and clock frequency. Thus, an intuitive multicore control strategy which duplicates the whole monocore architecture as much as devices is compared with a second strategy where the duplication is reduced as much as possible. It appears that the proposal clearly gives a low control computational needs with the same reduction of the energy consumption.
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Communication dans un congrès
48th IEEE Conference on Decision and Control, CDC 2009, Dec 2009, Shanghai, China. Proceedings of the 48th IEEE Conference on Decision and Control, pp.5568-5573, 2009
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Sylvain Durand, Nicolas Marchand. Energy Consumption Reduction with Low Computational Needs in Multicore Systems with Energy-Performance Tradeoff. 48th IEEE Conference on Decision and Control, CDC 2009, Dec 2009, Shanghai, China. Proceedings of the 48th IEEE Conference on Decision and Control, pp.5568-5573, 2009. 〈hal-00404053〉

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