Deadlock-Free Multi-Path Routing for Torus-Based NoCs

Provided by: University of Neuchatel
Topic: Hardware
Format: PDF
In this paper, the authors present the Multi-Path Routing (MPR) scheme was proposed to maximize the data throughput for torus-based NoCs by utilizing multiple paths for concurrent data transmission. In this paper, a deadlock-free virtual channel model is proposed for the MPR scheme. In this virtual channel model, every physical channel on the network is split into about 3.5 virtual channels on average. It is proved that any minimal routing algorithm (including the MPR scheme) using this model is deadlock-free. The MPR scheme employing this new virtual channel model is still a fully adaptive one.

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