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Adaptive Dynamic Voltage and Frequency Scaling Algorithm for Symmetric Multiprocessor Architecture

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3 Author(s)
Marius Gligor ; TIMA Lab., CNRS/INP Grenoble/UJF, Grenoble, France ; Nicolas Fournel ; Frédéric Petrot

Symmetric multiprocessor architectures (SMP) are gaining popularity for system on chip (SoC) applications as they provide an interesting power/performance/flexibility tradeoff. We address the problem of power consumption in such architectures by designing a new adaptive Dynamic Voltage Frequency Scaling (DVFS) algorithm for non real time operating system (non-RTOS) running on a SMP-SoC. We show the effectiveness of our algorithm on a cycle accurate simulation environment running a real-life multi-threaded application. The experimental results show a potential gain of up to 55%.

Published in:

Digital System Design, Architectures, Methods and Tools, 2009. DSD '09. 12th Euromicro Conference on

Date of Conference:

27-29 Aug. 2009