On Source Routing for Mesh Topology Network on Chip
نویسندگان
چکیده
Deterministic and adaptive distributed routing algorithms have been advocated in all the current NoC architectural proposals. In this paper we make a case for the use of source routing for NoCs, especially for regular topologies like mesh. The advantages of source routing include in-order packet delivery; faster and simpler router design; and possibility of mixing non-minimal paths in a mainly minimal routing. We propose a method to compute paths for various communications in such a way that traffic congestion is avoided while ensuring deadlock free routing. We also propose an efficient scheme to encode the paths. Keywords— Network on Chip, Distributed Routing, Source Routing, Routing Algorithms, Performance Analysis
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