Hierarchical power management with application to scheduling

  • Authors:
  • Peng Rong;Massoud Pedram

  • Affiliations:
  • University of Southern California, Los Angeles, CA;University of Southern California, Los Angeles, CA

  • Venue:
  • ISLPED '05 Proceedings of the 2005 international symposium on Low power electronics and design
  • Year:
  • 2005

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Abstract

This paper presented a hierarchical power management architecture which aims to facilitate power-awareness in an Energy-Managed Computer (EMC) system with multiple components. The proposed architecture divides PM function into two layers: system-level and component-level. The system-level hierarchical PM was formulated as a concurrent service request flow regulation and application scheduling problem. Experimental results showed that a 25% reduction in the total system energy can be achieved compared to the optimal component-level DPM policy