Networking

A Parallel Routing Algorithm for Torus NoCs

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Executive Summary

This paper proposes a parallel routing algorithm for routing multiple data streams over disjoint paths in the torus Network-on-Chip (NoC) architecture. The authors show how to construct a maximal set of disjoint paths between any two nodes of a torus network topology and then make use of the constructed paths for the simultaneous routing of multiple data streams between these nodes. Analytical performance evaluation results are obtained showing the effectiveness of the proposed parallel routing algorithm in reducing communication delays and increasing throughput when transferring large amounts of data in an NoC-based multi-core system.

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