Invited paper: Thermal modeling and analysis of 3D multi-processor chips

  • Authors:
  • José L. Ayala;Arvind Sridhar;David Cuesta

  • Affiliations:
  • DACYA - Complutense University of Madrid, Spain and ESL - EPFL, Switzerland;ESL - EPFL, Switzerland;DACYA - Complutense University of Madrid, Spain

  • Venue:
  • Integration, the VLSI Journal
  • Year:
  • 2010

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Abstract

As 3D chip multi-processors (3D-CMPs) become the main trend in processor development, various thermal management strategies have been recently proposed to optimize system performance while controlling the temperature of the system to stay below a threshold. These thermal-aware policies require the envision of high-level models that capture the complex thermal behavior of (nano)structures that build the 3D stack. Moreover, the floorplanning of the chip strongly determines the thermal profile of the system and a quick exploration of the design space is required to minimize the damage of the thermal effects. This paper proposes a complete thermal model for 3D-CMPs with building nano-structures. The proposed thermal model is then used to characterize the thermal behavior of the Niagara system and expose the strong influence of the chip floorplanning in the thermal profile.