Online Algorithms for Parallel Job Scheduling and Strip Packing


Hurink, J.L. and Paulus, J.J. (2007) Online Algorithms for Parallel Job Scheduling and Strip Packing. [Report]

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Abstract:We consider the online scheduling problem of parallel jobs on parallel machines, $P|online{−}list,m_j |C_{max}$. For this problem we present a 6.6623-competitive algorithm. This improves the best known 7-competitive algorithm for this problem. The presented algorithm also applies to the problem where machines are ordered on a line and only adjacent machines can be assigned to a job and, therefore, also to online orthogonal strip packing. Since previous results for these problems assume bounded job length, the presented algorithm is the first with a constant competitive ratio.
Item Type:Report
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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