Computer Science ›› 2017, Vol. 44 ›› Issue (Z6): 504-509.doi: 10.11896/j.issn.1002-137X.2017.6A.112

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Queuing Theory-guided Performance Evaluation on Reconfigurable High-speed Device Connected Bus

ZHANG Shao-nan, QIU Ke-ni, ZHANG Wei-gong, WANG Jing, ZHENG Jia-xin, BAI Rui-ying and ZHU Xiao-yan   

  • Online:2017-12-01 Published:2018-12-01

Abstract: UM-BUS is a high-speed serial BUS which has the ability of dynamic fault-tolerance and remote access.It is essential to implement performance modeling in advance when making comprehensive evaluation and optimization design of the bus.Targeting this issue,a performance evaluation model was proposed based on queuing theory in this paper.On one hand,this model describes the dataflow relationship among different slave nodes and the characteristics of packets waiting and arriving time to slave nodes qualitatively.On the other hand,this model analyzes the maximum,minimum and average delay of the different packets in the lane transmission quantitatively.Testing on the MATLAB platform provides packet waiting time and transmission time on the bus.Experimental results can help designers to well understand the bus system features in practical applications,so they can carry out reconfigurations and improve the efficiency of UM-BUS.

Key words: UM-BUS,Queuing theory,Performance evaluation,Transmission delay

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