×pipes Lite: A Synthesis Oriented Design Library For Networks on Chips

  • Authors:
  • Stergios Stergiou;Federico Angiolini;Salvatore Carta;Luigi Raffo;Davide Bertozzi;Giovanni De Micheli

  • Affiliations:
  • Stanford University, CA;University of Bologna, Italy;University of Cagliari, Italy;University of Cagliari, Italy;University of Bologna, Italy;Stanford University, CA

  • Venue:
  • Proceedings of the conference on Design, Automation and Test in Europe - Volume 2
  • Year:
  • 2005

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Abstract

The limited scalability of current bus topologies for Systems on Chips (SoCs) dictates the adoption of Networks on Chips (NoCs) as a scalable interconnection scheme. Current SoCs are highly heterogeneous in nature, denoting homogeneous, preconfigured NoCs as inefficient drop-in alternatives. While highly parametric, fully synthesizeable (soft) NoC building blocks appear as a good match for heterogeneous MPSoC architectures, the impact of instantiation-time flexibility on performance, power and silicon cost has not been quantified yet. This work details 脳pipes Lite, a design flow for automatic generation of heterogeneous NoCs. 脳pipes Lite is based on highly customizable, high frequency and low latency NoC modules, that are fully synthesizeable. Synthesis results provide with modules that are directly comparable, if not better, than the current published state-of-the-art NoCs in terms of area, power, latency and target frequency of operation measurements.