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Preemptive Task Partitioning Strategy (PTPS) with Fast Preemption in Heterogeneous Distributed Environment

Rafiqul Zaman Khan, Javed Ali Published in Parallel Computing

International Journal of Applied Information Systems
Year of Publication: 2013
© 2012 by IJAIS Journal
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  1. Rafiqul Zaman Khan and Javed Ali. Article: Preemptive Task Partitioning Strategy (PTPS) with Fast Preemption in Heterogeneous Distributed Environment. International Journal of Applied Information Systems 6(1):25-31, September 2013. BibTeX

    	author = "Rafiqul Zaman Khan and Javed Ali",
    	title = "Article: Preemptive Task Partitioning Strategy (PTPS) with Fast Preemption in Heterogeneous Distributed Environment",
    	journal = "International Journal of Applied Information Systems",
    	year = 2013,
    	volume = 6,
    	number = 1,
    	pages = "25-31",
    	month = "September",
    	note = "Published by Foundation of Computer Science, New York, USA"


Efficient preemptions in the scheduling of real time systems cause optimal overhead in parallel computing systems. Periodic and sporadic tasks are exists in the real time systems. The periodic tasks may be divided into the synchronous and asynchronous categories. The management of the resource sharing in the parallel computing can be powerfully achieved by preemptive scheduling. Fast preemptions are necessary to achieve the high degree parallelism. In this paper, Earliest Starting Time parameter expended up to a large degree of heterogeneity. We compare the proposed algorithm with the existed well known algorithms: preemptive MCP and FPS algorithms. The result shows better performance of the PTPS in terms of average NSL and running time complexities.


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Preemptive Scheduling, Normalized Schedule Length, Directed Acyclic Graph, Parallel Computing etc.