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In this paper, the authors present a novel performance analysis model for predicting average message latency of hypercube Network-on-Chip (NoC) systems that employ wormhole switching and fully adaptive routing method with uniformly distributed traffic. Unlike previous works, their model calculates the service rate that is provided by a physical link for the incoming traffic at a particular communicating node by obtaining the reversal service rate that is provided by the downstream nodes, when the network gets saturated. This model has simple closed-form calculations, and can produce accurate analytic results when the NoC system is operating in stable state.
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