A topology design customization approach for STNoC

  • Authors:
  • Gianluca Palermo;Giovanni Mariani;Cristina Silvano;Riccardo Locatelli;Marcello Coppola

  • Affiliations:
  • Politecnico di Milano and University of Lugano;University of Lugano;Politecnico di Milano;STMicroelectronics - Advanced System Technology;STMicroelectronics - Advanced System Technology

  • Venue:
  • Proceedings of the 2nd international conference on Nano-Networks
  • Year:
  • 2007

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Abstract

To support high bandwidth SoCs, a communication design flow is necessary for the design space exploration respecting tight design requirements. In order to exploit the benefits introduced by the NoC approach for the on-chip communication, the paper presents a design flow for the core mapping and customization of the network topology applied to STNoC, the Network on-Chip developed by STMicroelectronics. Starting from ring topology, the proposed application-specific flow tries to find a set of customized topologies, optimized in terms of performance and area/energy overhead, by adding links. The generated STNoC custom topologies provide a reduced cost with respect to the spidergon topology.