Applications of racing algorithms: an industrial perspective

  • Authors:
  • Sven Becker;Jens Gottlieb;Thomas Stützle

  • Affiliations:
  • VEGA Informations-Technologien GmbH, Darmstadt, Germany;SAP AG, Walldorf, Germany;Computer Science Department, Darmstadt University of Technology, Darmstadt, Germany

  • Venue:
  • EA'05 Proceedings of the 7th international conference on Artificial Evolution
  • Year:
  • 2005

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Abstract

Stochastic local search (SLS) methods like evolutionary algorithms, ant colony optimisation or iterated local search receive an ever increasing attention for the solution of highly application relevant optimisation problems. Despite their noteworthy successes, several issues still hinder their even wider spread. One central issue is the configuration and parameterisation of SLS methods, which is known to be a time- and personal-intensive process. Recently, several attempts have been made to automate the tuning of SLS algorithms. One of the most promising directions is the usage of the racing methodology, which is a statistical method for selecting promising candidate configurations. We present results of a study on the application of this methodology to the tuning of a complex SLS method for an industrial vehicle scheduling and routing problem, and compare the performance of two racing methods.