Power Management and Dynamic Voltage Scaling : Myths and Facts

  title={Power Management and Dynamic Voltage Scaling : Myths and Facts},
  author={David Snowdon and Sergio Ruocco and Gernot Heiser},
This paper investigates the validity of common approaches to power management based on dynamic voltage scaling (DVS). Using instrumented hardware and appropriate operating-system support, we account separatel y for energy consumed by the processor and the memory system. We find that memory often contributes significantly to overall power consumption, which leads to a much more complex relationship between energy consumption and core voltage and frequency than is frequently assumed. As a… CONTINUE READING
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Balancing Batteries

  • T. L. Martin
  • Power, and Performance: System Issues in CPU…
  • 2001
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