Routing for applications in NoC using ACO-based algorithms

Authors:
Luneque Silva Junior;Nadia Nedjah;Luiza De Macedo Mourelle
Affiliations:
Systems Engineering and Computer Science Program, PESC/COPPE, Federal University of Rio de Janeiro, Brazil;Department of Electronics Engineering and Telecommunication, Faculty of Engineering, State University of Rio de Janeiro, Brazil;Department of Systems Engineering and Computation, Faculty of Engineering, State University of Rio de Janeiro, Brazil
Venue:
Applied Soft Computing
Year:
2013

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Abstract

Networks-on-Chips (NoCs) have been used as an interesting option in design of communication infrastructures for embedded systems, providing a scalable structure and balancing the communication between cores. Because several data packets can be transmitted simultaneously through the network, an efficient routing strategy must be used in order to avoid congestion delays. In this paper, ant colony algorithms were used to find and optimize routes in a mesh-based NoC, where several randomly generated applications have been mapped. The routing optimization is driven by the minimization of total latency in packets transmission between tasks. The simulation results show the effectiveness of the ant colony inspired routing by comparing it with general purpose algorithms for deadlock free routing.