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Heuristics for Parallel Machine Scheduling with Delivery Times

Heuristics for Parallel Machine Scheduling with Delivery Times PDF Author: Gerhard J. Woeginger
Publisher:
ISBN:
Category : Multiprocessors
Languages : en
Pages : 12

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Book Description
Abstract: "A parallel machine scheduling problem is considered in which each job has a processing time and a delivery time. The objective is to find a schedule which minimizes the time by which all jobs are delivered. For the single machine this problem is easily solved in polynomial time, for m [> or =] machines it becomes NP-hard. Several heuristics using list scheduling as a subroutine are proposed and analysed. The best one of our heuristics has a worst-case performance guarantee of 2 - 2 / (m + 1). For the on-line case we give a heuristic with the (best possible) worst-case performance of two."