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A low power hardware/software partitioning approach for core-based embedded systems

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1 Author(s)
Henkel, J. ; C&C Res. Labs., NEC Res. Inst., Princeton, NJ, USA

We present a novel approach that minimizes the power consumption of embedded core-based systems through hardware/software partitioning. Our approach is based on the idea of mapping clusters of operations/instructions to a core that yields a high utilization rate of the involved resources (ALUs, multipliers, shifters...) and thus minimizing power consumption. Our approach is comprehensive since it takes into consideration the power consumption of a whole embedded system comprising a microprocessor core, application specific (ASIC) core(s), cache cores and a memory core. We report high reductions of power consumption between 35% and 94% at the cost of a relatively small additional hardware overhead of less than 16 k cells while maintaining or even slightly increasing the performance compared to the initial design

Published in:

Design Automation Conference, 1999. Proceedings. 36th

Date of Conference: