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改进的DWCS算法及其在弱硬实时系统中的应用
Improved DWCS Algorithm and Its Application to Weakly Hard Real-Time Systems
【摘要】 针对动态窗口约束调度算法中,单个任务到达调度处理节点时,系统存在着无效计算的缺点,本文提出了一个改进算法。该算法在保留原有算法优良性能的同时,能够降低计算复杂性,提高系统的性能。并证明了DWCS算法可以用于一般的弱硬实时系统中。
【Abstract】 According to the drawback of DWCS,the algorithm will calculate lots of parameters which prove to be nothing when single task arrives at the node of scheduling.An improved algorithm is put forward to solve the problem,which can decrease the complexity of system and improve the performance of system while keeping other high performance of DWCS.It is proved that DWCS can also be used in popular weakly hard real-time systems.
【关键词】 动态窗口约束调度;
弱硬实时;
约束规范;
泊松流;
【Key words】 DWCS; weakly hard real-time; constrain specification; poison stream;
【Key words】 DWCS; weakly hard real-time; constrain specification; poison stream;
【基金】 国家自然科学基金(60573159)
- 【文献出处】 广东海洋大学学报 ,Journal of Guangdong Ocean University , 编辑部邮箱 ,2010年03期
- 【分类号】TP301.6
- 【下载频次】49