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Agent-Based Thermal Management Using Real-Time I/O Communication Relocation for 3D Many-Cores

  • Thomas Ebi
  • Holm Rauchfuss
  • Andreas Herkersdorf
  • Jörg Henkel
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6951)

Abstract

A major concern of current and future on-chip systems is the thermal problem i.e. electrical energy is dissipated leading to high chip temperatures. Short term effects may include transient malfunctioning whereas long-term effects may lead to deteriorating functionality (e.g. increased signal travel times) or to irreversible damage due to, for example, electro-migration. The problem worsens with the inception of 3D architectures as the per-surface dissipated electrical energy is larger, e.g. our evaluation shows an increase of 37.5% in peak temperature in an architecture with 2 layers compared to a single layer architecture. Our proposed concept addresses thermal problems in 3D-stacked many-core architectures resulting from high power densities. A hierarchical agent-based thermal management system initiates a proactive task migration onto cooler processing resources while a communication virtualization layer dynamically adapts and protects connectivity between (migrated) tasks and external I/Os.

Keywords

Dynamic thermal management Communication virtualization 3D-architectures Many-core systems MPSoC 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Thomas Ebi
    • 1
  • Holm Rauchfuss
    • 2
  • Andreas Herkersdorf
    • 2
  • Jörg Henkel
    • 1
  1. 1.Karlsruhe Institute of TechnologyUSA
  2. 2.Technische Universität MünchenGermany

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