NoC Resource Allocation Based on Physical Design Techniques

Abstract

Networks-on-Chip (NoC) has been recognized as a scalable approach for on-chip communication. Quality-of-Service (QoS) is a fundamental part of application specific NoCs. This thesis focuses on resource allocation on NoC, to improve the capability of NoC for Guaranteed Service (GS). A graph model is adopted to describe physical and temporal sources of a NoC. Based on the graph model, an RRR-based algorithm is proposed for simultaneous routing and time slot allocation. In addition, a negotiation-based algorithm is suggested for achieving power-efficient QoS for application-specific NoCs. Last, a hybrid NoC architecture, which combines circuit switching and packet switching, is developed and investigated. Experimental results show that our techniques outperform previous works

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