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With the development of high performance computing, especially after the emergence of petaflop system, people pay more attentions on how to use these resources in an effective way and what application could be deployed on them except for scientific computing. Given the properties of high performance computing, rendering is one kind of application which is very suitable for distributed computing due...
The uncertainties of grid nodes security are main hurdle to make the job scheduling secure, reliable and fault-tolerant. The fixed fault-tolerant strategy in jobs scheduling may utilize excessive resources. In this paper, the job scheduling decides which kinds of fault-tolerance strategy will be applied to each individual job for more reliable computation and shorter makespan. And we discuss the fuzziness...
Grid scheduling is one of the most crucial issue in a grid environment because it strongly affects the performance of the whole system. Taking into account that the issue of allocating jobs on resources is a combinatorial optimization problem, a NP-complete problem, several heuristics have been proposed to provide good performance. In this paper, the proposed approach considers a stochastic optimization...
Formal methods are introduced into system design process that use rigorously specified mathematical models to build target systems. It can establish a precise and unambiguous model of a complex system. This paper takes an example for a complex NP-complete problem such as a class scheduling problem. By using the specification language Z, it designs and describes a formal mathematical model of a class...
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