【摘要】 文章主要对元计算环境中任务调度进行了深入分析与研究。先概述了元计算系统对于科学领域的贡献,分析了元计算环境的特点;然后对元计算环境中的调度算法进行了分类说明,并对几种典型的调度算法行了具体的分析,评价了其特点与不足之处;最后分析了新兴的元计算环境—校园级元计算环境面临的挑战,借鉴各种调度算法,提出了与之相适应的任务调度策略,对其可行性进行了分析,并简要概括了其创新性。更多还原

【Abstract】 What is discussed in this paper is the in-depth analysis and research of the task scheduling policies in the metacomputing environment.First,the contributions of the metacomputing systems towards scientific fields are summarized and the characteristics of the metacomputing environment are analyzed.Then the categories of the scheduling algorithms in the metacomputing environment are explained and the typical scheduling algorithms are concretely analyzed,whose virtues and defects are evaluated.Finally,the challenges of the campus-wide metacomputing environment ,a newly rising metacomputing environment ,are analyzed and all the discussed task scheduling algorithms are used for reference to set forth the scheduling policies which are adaptive to the campus-wide metacomputing environment ;the feasibility of the policies are analyzed and the innovations of which are concluded.更多还原