Integrating communication protocol selection with partitioning in hardware/software codesign

Peter Voigt Knudsen, Jan Madsen

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    This paper explores the problem of determining the characteristics of the communication links in a computer system as well as determining the best functional partitioning. In particular, we present a communication estimation model and show, by the use of this model, the importance of integrating communication protocol selection with hardware/software partitioning. The communication estimation model allows for fast estimation but is still sufficiently detailed as to allow the designer or design tool to efficiently explore tradeoffs between throughputs, bus widths, burst/nonburst transfers, operating frequencies of system components such as buses, CPU's, ASIC's, software code size, hardware area, and component prices. A distinct feature of the model is the modeling of driver processing of data (packing, splitting, compression, etc.) and its impact on communication throughput. The integration of communication protocol selection and communication driver design with hardware/software partitioning is illustrated by a number of design space exploration experiments carried out within the LYCOS cosynthesis system, using models of the PCI and USB protocols.
    Original languageEnglish
    Title of host publicationProceedings of the 11th International Symposium on System Synthesis
    Publication date1998
    ISBN (Print)0-8186-8623-5
    Publication statusPublished - 1998
    Event11th International Symposium on System Synthesis - Chinatrust Hotel, Hsinchu, Taiwan, Province of China
    Duration: 2 Dec 19984 Dec 1998
    Conference number: 11


    Conference11th International Symposium on System Synthesis
    LocationChinatrust Hotel
    Country/TerritoryTaiwan, Province of China
    Internet address

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