摘要
研究了一种基于流水线结构的多级数字混沌保密通信方案,以驱动参量法作为同步实现模型,并在编码机制上进行了改进。以流水线方式对整个处理过程进行分割,为进程间设定合理的通信粒度,数值模拟得到了另人满意的并行加速比。文章最后对方案中流水线的执行时间进行估算,并分析了在不同任务划分及不同通信速率下的并行加速比情况。
A multilevel digital chaotic encoding scheme based on pipeline structure is presented in this paper, With the synchronizing model carried out through driven - parameter method, the scheme is improved by pipeline structure to achieve higher data throughput. The whole data collection is partitioned in the manner of pipeline mode, and the communication grain size is appropriately assigned for each process. The MPICH simulation results show that the parallel speedup ratio is satisfactory, and the time consuming analysis under different partitions and communication speeds are given at last.
出处
《计算机技术与发展》
2007年第5期152-155,159,共5页
Computer Technology and Development
基金
陕西省二OO五年重大科技创新项目计划(2005ZKC(二)10-03)
关键词
混沌
流水线
保密通信
并行计算
并行加速比
chaosl pipeline
secure communication
parallel cgmputatlon
parallel speedup ratio
