A power-aware API for embedded and portable systems
Power aware computing
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Abstract: For a range of embedded system applications in mission critical and energy constrained scenarios it is important to be able to dynamically control power consumption in response to changing power availability. In this paper, we present our approach to dynamic adaptation of system power consumption and application performance through microarchitectural and software strategies. In particular, we discuss our techniques for compiler controlled dynamic register file reconfiguration and profile-driven dynamic clock frequency and voltage scaling.We evaluate the effectiveness of power scheduling heuristics based on these techniques in complying with desired power and performance constraints for a given application.