The Dynamics of Dynamic Variable Ordering Heuristics

  • Authors:
  • Patrick Prosser

  • Affiliations:
  • -

  • Venue:
  • CP '98 Proceedings of the 4th International Conference on Principles and Practice of Constraint Programming
  • Year:
  • 1998

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Abstract

It has long been accepted that dynamic variable ordering heuristics outperform static orderings. But just how dynamic are dynamic variable ordering heuristics? This paper examines the behaviour of a number of heuristics, and attempts to measure the entropy of the search process at different depths in the search tree.