A Scheduling Discipline for Latency and Bandwidth Guarantees in Asynchronous Network-on-Chip

Tobias Bjerregaard, Jens Sparsø

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    Abstract

    Guaranteed services (GS) are important in that they provide predictability in the complex dynamics of shared communication structures. This paper discusses the implementation of GS in asynchronous Network-on-Chip. We present a novel scheduling discipline called Asynchronous Latency Guarantee (ALG) scheduling, which provides latency and bandwidth guarantees in accessing a shared media, e.g. a physical link shared between a number of virtual channels. ALG overcomes the drawbacks of existing scheduling disciplines, in particular the coupling between latency and bandwidth guarantees. A 0.12 &956;m CMOS standard cell implementation of an ALG link has been simulated. The operation speed of the design was 702 MDI/s.
    Original languageEnglish
    Title of host publicationProceedings of the 11th IEEE International Symposium on Asynchronous Circuits and Systems (ASYNC’05)
    PublisherIEEE Computer Society Press
    Publication date2005
    Pages34-43
    ISBN (Print)0-7695-2305-6
    DOIs
    Publication statusPublished - 2005
    EventProceedings of the 11th IEEE International Symposium on Asynchronous Circuits and Systems (ASYNC’05) -
    Duration: 1 Jan 2005 → …

    Conference

    ConferenceProceedings of the 11th IEEE International Symposium on Asynchronous Circuits and Systems (ASYNC’05)
    Period01/01/2005 → …

    Bibliographical note

    Copyright: 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

    Keywords

    • asynchronous
    • guaranteed services
    • clockless
    • Network-on-chip

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