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In this paper a method has been proposed to improve the performance of NoCs by prioritization of packets generated in the processing cores of the network. Packets generated from the processing cores with large amount of output network traffic get a higher priority compared to the packets generated from cores with ordinary output network traffic. When there is contention in an output port, the packets...
As technology advances, the number of cores in Chip Multi Processor systems (CMPs) and Multi Processor Systems-on-Chips (MPSoCs) keeps increasing. Current test chips and products reach tens of cores, and it is expected to reach hundreds of cores in the near future. Such complexity demands for an efficient network-on-chip (NoC). The common choice to build such networks is the 2D mesh topology (as it...
Round robin arbiter and matrix arbiter mechanism are widely used in Network-on-chips. These two mechanisms are implemented in this paper. The performances in 2D-mesh topology are tested in a FPGA platform. The resource consumption and throughput between Round-robin arbiter and Matrix-arbiter are compared. Through the experiment result, we found that the Matrix-arbiter has higher throughput than the...
This paper presents a stochastic approach for bus arbiter design. Arbiter design includes policy design, buffer insertion, and optimal buffer sizing. The methodology uses continuous-time Markov decision processes (CTMDPs) to get optimal arbitration policies and buffer space distribution. The mathematical formulation of this problem in terms of a CTMDP framework leads to a linear programming problem...
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