| 一种基于ED方法的实时事务调度的改进算法 |
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| 引用本文： | 王道忠,刘云生,卢炎生. 一种基于ED方法的实时事务调度的改进算法[J]. 华中科技大学学报(自然科学版), 1994, 0(6) |
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| 作者姓名： | 王道忠 刘云生 卢炎生 |
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| 作者单位： | 华中理工大学计算机科学与工程系 |
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| 摘 要： | 提出一种实时事务表示模型，该模型给出了一种基于ＥＤ方法的实时事务调度的改进算法，该算法与ＥＤ相比，可以减少调度时发生的运行时间错误
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| 关 键 词： | 实时数据库；实时调度；调度算法 |
An Improved Algorithm for Real-time Transaction Scheduling Based on the ED Method |
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| Wang DaozhongDept.of Computer Sci., Engin.,H. U. S.T.,Wuhan ,China,Liu Yunsheng,Lu Yansheng. An Improved Algorithm for Real-time Transaction Scheduling Based on the ED Method[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1994, 0(6) |
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| Authors: | Wang DaozhongDept.of Computer Sci.& Engin. H. U. S.T. Wuhan China Liu Yunsheng Lu Yansheng |
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| Affiliation: | Wang DaozhongDept.of Computer Sci.& Engin.,H. U. S.T.,Wuhan 430074,China,Liu Yunsheng,Lu Yansheng |
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| Abstract: | A model for the representation of real-time transactions is presented.A real-time trans-action is divided logically into a mandatory transaction and an optional transaction. An im-proved algorithm UED for scheduling real-time transactions based on the ED method is giv-en. Algorithm UED is capable of adjusting the executing time of transactions during systemoverload so that the mandatory transaction can be accomplished within the deadline. Com-pared with the ED method,the algorithm proposed can reduce the runtime error whilescheduling. |
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| Keywords: | real-time database real-time scheduling scheduling algorithmsWang Daozhong Lect. Dept.of Computer Sci.& Engin. H. U. S.T. Wuhan 430074 China |
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