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Adaptive Task Migration Policies for Thermal Control in MPSoCs

  • David Cuesta
  • Jose Ayala
  • Jose Hidalgo
  • David Atienza
  • Andrea Acquaviva
  • Enrico Macii
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 105)

Abstract

In deep submicron circuits, high temperatures have created critical issues in reliability, timing, performance, coolings costs and leakage power. Task migration techniques have been proposed to manage efficiently the thermal distribution in multi-processor systems but at the cost of important performance penalties. While traditional techniques have focused on reducing the average temperature of the chip, they have not considered the effect that temperature gradients have in system reliability. In this work, we explore the benefits of thermal-aware task migration techniques for embedded multi-processor systems. We show the implementation issues of task migration policies on next generation architectural template of distributed memory multicore systems and we discuss the programmer’s implications. Built on top of this programming model, we propose several policies that are able to reduce the average temperature of the chip and the thermal gradients with a negligible performance overhead. With our techniques, hot spots and temperature gradients are decreased up to 30% with respect to state-of-the-art thermal management approaches.

Keywords

Shared Memory Multiprocessor System Interprocessor Communication Task Migration Decision Engine 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • David Cuesta
    • 1
  • Jose Ayala
    • 1
  • Jose Hidalgo
    • 1
  • David Atienza
    • 2
  • Andrea Acquaviva
    • 3
  • Enrico Macii
    • 3
  1. 1.Complutense UniversityMadridSpain
  2. 2.Ecole Polytechnique Fédérale de LausanneLausanneSwitzerland
  3. 3.Politecnico di TorinoTurinItaly

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