Power management of multi-core chips: challenges and pitfalls

  • Authors:
  • Pradip Bose;Alper Buyuktosunoglu;John A. Darringer;Meeta S. Gupta;Michael B. Healy;Hans Jacobson;Indira Nair;Jude A. Rivers;Jeonghee Shin;Augusto Vega;Alan J. Weger

  • Affiliations:
  • IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY;IBM T. J. Watson Research Center, Yorktown Heights, NY

  • Venue:
  • DATE '12 Proceedings of the Conference on Design, Automation and Test in Europe
  • Year:
  • 2012

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Abstract

Modern processor systems are equipped with on-chip or on-board power controllers. In this paper, we examine the challenges and pitfalls in architecting such dynamic power management control systems. A key question that we pose is: How to ensure that such managed systems are "energy-secure" and how to pursue pre-silicon modeling to ensure such security? In other words, we address the robustness and security issues of such systems. We discuss new advances in energy-secure power management, starting with an assessment of potential vulnerabilities in systems that do not address such issues up front.