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In real applications there are different communication needs among the cores. When NoCs are the means to interconnect the cores, the use of some techniques to optimize the communication are indispensable. From the performance point of view, large buffer sizes ensure performance during different applications execution, but unfortunately, these same buffers are the main responsible for the router total power dissipation. Another aspect is that by sizing buffers for the worst case latency incurs in extra dissipation for the mean case, which is much more frequent. To cope with this problem, in this paper we propose a dynamically reconfigurable router for a NoC. With the reconfigurable router it was possible to reduce the congestion in the network, while at the same time reducing power dissipation and improving energy.
Date of Conference: 13-15 May 2009