Allocation of tasks to specialized processors: A planning approach

Allocation of tasks to specialized processors: A planning approach

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Article ID: iaor20011602
Country: Netherlands
Volume: 126
Issue: 1
Start Page Number: 80
End Page Number: 88
Publication Date: Oct 2000
Journal: European Journal of Operational Research
Authors: , , , ,
Keywords: optimization, queues: applications
Abstract:

This paper addresses the problem of scheduling randomly arriving tasks of different types at a diversified service system. Servers at such a system differ in that each may specialize in one task type, but can also perform others perhaps less rapidly and adequately than does a specialist. We consider the issue of how much redirection of tasks from specialists to non-specialists may be desirable in such a system and propose a static model in which tasks are randomly assigned to servers. Two scheduling strategies for individual servers are also considered: one in which each server performs the tasks assigned to him or her in order of their arrival and the second in which each server schedules his or her workload optimally. The problems for finding the best random assignment probabilities are formulated as mathematical programs. Results from a numerical example provide information that is both informative and useful in decision-making.

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