Original scientific paper
https://doi.org/10.2498/cit.1001922
Measuring True Performance of the Work Function Algorithm for Solving the On-line k-Server Problem
Tomislav Rudec
; Faculty of Electrical Engineering, University of Osijek, Croatia
Alfonzo Baumgartner
; Faculty of Electrical Engineering, University of Osijek, Croatia
Robert Manger
; Department of Mathematics, University of Zagreb, Croatia
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.
Keywords
on-line problems; on-line algorithms; k-server problem; work function algorithm (WFA); experiments
Hrčak ID:
63906
URI
Publication date:
30.12.2010.
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