HowU网格自适应调度模型

Adaptive Scheduling Model for HowU Grid System

随着互联网的迅速发展 ,基于异构分布式网络的高性能计算平台——计算网格 ,成为了一种新型的计算模式 .介绍了基于 Globus的 How U网格的实现技术 ,通过资源请求代理进行网格作业提交 .为了有效利用网格资源 ,以“参数考察”任务为例 ,提出了一种自适应网格任务调度模型 ,该模型充分考虑了任务的实时容错需求 .最后比较分析了该模型与 Globus协作分配策略和 Gr

Advances in wide area network have led to the emergence of a new type of computing model, which is based on a high-performance distributed heterogeneous platform—computational grid. This paper has introduced the implementation of a Globus-based HowU grid system, and the client can submit its jobs via grid resource broker. In order to utilize grid resources effectively, this paper proposes a self-adaptable task scheduling model oriented parameter-study tasks. This model fully considers real-time, and fault-tolerant requirement of grid tasks. At last we have analyzed the performance of this model by comparing it with Globus co-allocated scheduling strategy and GrADS scheduling framework.