计算机科学 ›› 2021, Vol. 48 ›› Issue (4): 43-48.doi: 10.11896/jsjkx.201100139
冯凯, 马鑫玉
FENG Kai, MA Xin-yu
摘要： 并行计算机系统互连网络的拓扑性质对系统功能的实现起着重要的作用。为了精确度量基于(n,k)-冒泡排序网络构建的并行计算机系统的子网络容错能力,建立了(n,k)-冒泡排序网络中(n－m,k－m)-冒泡排序子网络与特定字符串之间的一一对应关系,研究了点故障模型下(n,k)-冒泡排序网络中(n－m,k－m)-冒泡排序子网络的可靠性。当2≤k≤n－2,1≤m≤k－1时,首先在概率故障条件下给出了(n,k)-冒泡排序网络中存在无故障的(n－m,k－m)-冒泡排序子网络的概率估计,并通过仿真实验验证了所得结果的精确性;其次,得出了不同数目的(n－m,k－m)-冒泡排序子网络保持无故障状态的平均失效时间的计算公式,仿真实验表明理论结果与仿真结果趋于一致。
中图分类号:
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