Application-specific temperature reduction systematic methodology for 2d and 3d networks-on-chip

  • Authors:
  • Iraklis Anagnostopoulos;Alexandros Bartzas;Dimitrios Soudris

  • Affiliations:
  • ECE School, National Technical University of Athens, Zografou, Greece;ECE Department, Democritus University of Thrace, Xanthi, Greece;ECE School, National Technical University of Athens, Zografou, Greece

  • Venue:
  • PATMOS'09 Proceedings of the 19th international conference on Integrated Circuit and System Design: power and Timing Modeling, Optimization and Simulation
  • Year:
  • 2009

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Abstract

Network-on-Chip (NoC), a new SoC paradigm, has been proposed as a solution to mitigate complex on-chip interconnection problems. NoC architectures are able to accommodate a large number of IP cores in the same chip implementing a set of complex applications. Power consumption is a critical issue in interconnection network in NoC design, driven by power-related design constraints, such as thermal and power delivery design. In this work, we introduce a systematic methodology for NoC temperature reduction consisting of novel techniques: i) application independent power-aware routing algorithms; and ii) application-specific platform optimizations, such as buffer sizing. The methodology achieves significant peak temperature reduction. The effectiveness of the proposed approach is evaluated both on 2D and 3D mesh topologies employing real DSP applications. A temperature reduction of 13°C and 22°C for 2D and 3D NoCs, respectively, on average, is achieved without any performance penalty.