Scheduling Calculations for a Multiprocessor System in Real Time

IF 0.5 4区 计算机科学 Q4 COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE
M. G. Furugyan
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Abstract

The problem of scheduling computations in a multiprocessor system is considered for the case when, at some time instants, requests for the execution of job packages with known characteristics are received. Interrupts and switching from one processor to another are allowed. In the first formulation, the composition of all complexes and the characteristics of tasks are known in advance. In the second setting, this information becomes known only at the time of each request. It is required to determine whether there is an admissible schedule for the total set of jobs and build it in the case of a positive answer. A setting is studied in which, in addition to processors, there is a nonrenewable resource. A polynomial algorithm for solving the problem is developed, based on the construction of a network flow model and the search for the maximum flow.

Abstract Image

多处理器系统的实时调度计算
摘要 针对在某些时刻收到执行具有已知特征的作业包的请求的情况,考虑了多处理器系统中的计算调度问题。允许中断和从一个处理器切换到另一个处理器。在第一种情况下,所有复合系统的组成和任务的特征都是事先已知的。在第二种情况下,只有在每次请求时才会知道这些信息。这就要求确定是否存在一个适用于所有工作集的可行计划,并在得到肯定答案的情况下制定该计划。研究了除处理器外还存在不可再生资源的情况。在构建网络流模型和搜索最大流的基础上,开发了一种多项式算法来解决这个问题。
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来源期刊
Journal of Computer and Systems Sciences International
Journal of Computer and Systems Sciences International 工程技术-计算机:控制论
CiteScore
1.50
自引率
33.30%
发文量
68
审稿时长
6-12 weeks
期刊介绍: Journal of Computer and System Sciences International is a journal published in collaboration with the Russian Academy of Sciences. It covers all areas of control theory and systems. The journal features papers on the theory and methods of control, as well as papers devoted to the study, design, modeling, development, and application of new control systems. The journal publishes papers that reflect contemporary research and development in the field of control. Particular attention is given to applications of computer methods and technologies to control theory and control engineering. The journal publishes proceedings of international scientific conferences in the form of collections of regular journal articles and reviews by top experts on topical problems of modern studies in control theory.
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