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负载调度策略的设计与实现
Design and Realization of Load Dispatch’s Tactics
【摘要】 并行处理机系统中负载不平衡问题一直没有得到彻底地解决,国内外学者提出过多种解决办法,但都有不尽人意的地方。讨论了如何确定一个处理机的负载已达到阈值和如何选择任务要送到的结点等亟待解决的问题。一个处理机只要有任务在运行就不能算是空闲,由空闲的处理机申请任务可以决定任务要送到的结点,用这种方法调度并行处理机系统比其他方法有更高的效率。本方法在同构的计算机系统和异构的计算机系统中应用效果都很好。
【Abstract】 Imbalance of the load is a question that hasn’t been solved completely for a long time in the parallel processor system. Even though a lot of solution have been brought forward by civil and overseas scholars, some problems are sti ll remained, such as how to make sure that the processor’s load level reaches th e threshold, how to select the node of the task. A processor isn’t idle if it is performing tasks. The idle processor can determine the node when it applies for a task. It’s more efficient to the parallel processor system in this way, and it’s also well used in the homogenous computer system an d hete rogeneous computer system.
【Key words】 load balancing; parallel processor; homogeneity; heterogeneity;
- 【文献出处】 控制工程 ,Basic Automation , 编辑部邮箱 ,2003年03期
- 【分类号】TP316.4
- 【被引频次】3
- 【下载频次】44