Support for Programming Models in Network-on-Chip-based Many-core Systems

Morten Sleth Rasmussen

    Research output: Book/ReportPh.D. thesisResearch

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    This thesis addresses aspects of support for programming models in Network-on- Chip-based many-core architectures. The main focus is to consider architectural support for a plethora of programming models in a single system. The thesis has three main parts. The first part considers parallelization and scalability in an image processing application with the aim of providing insight into parallel programming issues. The second part proposes and presents the tile-based Clupea many-core architecture, which has the objective of providing configurable support for programming models to allow different programming models to be supported by a single architecture. The architecture features a specialized network interface processor which allows extensive configurability of the memory system. Based on this architecture, a detailed implementation of the cache coherent shared memory programming model is presented. The third part considers modeling and evaluation of the Clupea architecture configured for support for cache coherent shared memory. An analytical model and the MC sim simulator, which provides detailed cycle-accurate simulation of many-core architectures, have been developed for the evaluation of the Clupea architecture. The evaluation shows that configurability causes a moderate increase of the application execution time. Considering the improved flexibility, this impact is considered acceptable as the architecture can potentially exploit application-specific optimizations and offers a valuable platform for comparing programming models.
    Original languageEnglish
    Place of PublicationKgs. Lyngby, Denmark
    PublisherTechnical University of Denmark
    Publication statusPublished - Sep 2010


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