Measuring True Performance of the Work Function Algorithm for Solving the On-line k-Server Problem

This paper deals with the work function algorithm (WFA) for solving the on-line k-server problem. The paper is concerned with assessing actual performance of the WFA in terms of its serving costs. First, an efficient implementation of the WFA is briefly described. Next, some experiments are presente...

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Published in:Journal of computing and information technology Vol. 18; no. 4; p. 361
Main Authors: Rudec, Tomislav, Baumgartner, Alfonzo, Manger, Robert
Format: Journal Article Paper
Language:English
Published: Fakultet elektrotehnike i računarstva Sveučilišta u Zagrebu 2010
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ISSN:1330-1136, 1846-3908
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Abstract This paper deals with the work function algorithm (WFA) for solving the on-line k-server problem. The paper is concerned with assessing actual performance of the WFA in terms of its serving costs. First, an efficient implementation of the WFA is briefly described. Next, some experiments are presented, where the performance of the implemented WFA has been measured on very large problem instances. Thereby, the problem instances have been selected from some frequently studied classes where sharp theoretical estimates of performance are available. Finally, the measured performance of the WFA is compared with the corresponding theoretical estimates and with some other algorithms.
AbstractList This paper deals with the work function algorithm (WFA) for solving the on-line k-server problem. The paper is concerned with assessing actual performance of the WFA in terms of its serving costs. First, an efficient implementation of the WFA is briefly described. Next, some experiments are presented, where the performance of the implemented WFA has been measured on very large problem instances. Thereby, the problem instances have been selected from some frequently studied classes where sharp theoretical estimates of performance are available. Finally, the measured performance of the WFA is compared with the corresponding theoretical estimates and with some other algorithms.
Author Rudec, Tomislav
Manger, Robert
Baumgartner, Alfonzo
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Snippet This paper deals with the work function algorithm (WFA) for solving the on-line k-server problem. The paper is concerned with assessing actual performance of...
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StartPage 361
SubjectTerms experiments
k-server problem
on-line algorithms
on-line problems
work function algorithm (WFA)
Title Measuring True Performance of the Work Function Algorithm for Solving the On-line k-Server Problem
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