Energy-Efficient NoC for Best-Effort Communication

P.T. Wolkotte, Gerardus Johannes Maria Smit, Jens E. Becker

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    Abstract

    A Network-on-Chip (NoC) is an energy-efficient on-chip communication architecture forMulti-Processor System-on-Chip (MPSoC) architectures. In an earlier paper we proposed a energy-efficient reconfigurable circuit-switched NoC to reduce the energy consumption compared to a packetswitched NoC. In this paper we investigate a chordal slotted ring and a bus architecture that can be used to handle the best-effort traffic in the system and configure the circuitswitched network. Both architectures are compared on their latency behavior and power consumption. At the same clock frequency, the chordal ring has the major benefit of a lower latency and higher throughput. But the bus has a lower overall power consumption at the same frequency. However, if we tune the frequency of the network to meet the throughput requirements of control network, we see that the ring consumes less energy per transported bit.
    Original languageUndefined
    Title of host publicationProceedings of the 15th International Conference on Field Programmable Logic and Applications 2005 (FPL 2005)
    EditorsT. Rissa, S. Wilton, P. Leong
    Place of PublicationPiscataway, NJ, USA
    PublisherIEEE Circuits and Systems Society
    Pages197-202
    Number of pages6
    ISBN (Print)0-7803-9362-7
    DOIs
    Publication statusPublished - Aug 2005
    Event15th International Conference on Field Programmable Logic and Applications, FPL 2005 - Tampere Hall, Tampere, Finland
    Duration: 24 Aug 200526 Aug 2005
    Conference number: 15
    http://fpl.cs.tut.fi/

    Publication series

    Name
    PublisherIEEE Circuits and Systems Society

    Conference

    Conference15th International Conference on Field Programmable Logic and Applications, FPL 2005
    Abbreviated titleFPL
    CountryFinland
    CityTampere
    Period24/08/0526/08/05
    Internet address

    Keywords

    • CAES-EEA: Efficient Embedded Architectures
    • IR-54753
    • EC Grant Agreement nr.: FP6/001908
    • METIS-229219
    • EWI-1476

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