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Throughput Maximization for Speed-Scaling with Agreeable Deadlines

Abstract : We are given a set of n jobs and a single processor that can vary its speed dynamically. Each job J j is characterized by its processing requirement (work) p j , its release date r j and its deadline d j . We are also given a budget of energy E and we study the scheduling problem of maximizing the throughput (i.e. the number of jobs which are completed on time). We show that the problem can be solved by dynamic programming when all the jobs are released at the same time in O(n 4 logn logP), where P is the sum of the processing requirements of the jobs. For the more general case of agreeable deadlines, where the jobs can be ordered such that for every i < j, both r i ≤ r j and d i ≤ d j , we propose a dynamic programming algorithm solving the problem optimally in O(n 6 logn logP). In addition, we consider the weighted case where every job j is also associated with a weight w j and we are interested in maximizing the weighted throughput. For this case, we prove that the problem becomes NP -hard in the ordinary sense and we propose a pseudo-polynomial time algorithm.
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Contributor : Frédéric Davesne Connect in order to contact the contributor
Submitted on : Sunday, June 9, 2013 - 10:16:19 PM
Last modification on : Sunday, June 26, 2022 - 9:54:56 AM

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Eric Angel, Evripidis Bampis, Vincent Chau, Dimitrios Letsios. Throughput Maximization for Speed-Scaling with Agreeable Deadlines. 10th annual conference on Theory and Applications of Models of Computation (TAMC 2013), May 2013, Hong Kong, China. pp.10--19, ⟨10.1007/978-3-642-38236-9_2⟩. ⟨hal-00832024⟩



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