Parallel partition revisited

  • Authors:
  • Leonor Frias;Jordi Petit

  • Affiliations:
  • Departament de Llenguatges i Sistemes Informàtics, Universitat Politècnica de Catalunya;Departament de Llenguatges i Sistemes Informàtics, Universitat Politècnica de Catalunya

  • Venue:
  • WEA'08 Proceedings of the 7th international conference on Experimental algorithms
  • Year:
  • 2008

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Abstract

In this paper we consider parallel algorithms to partition an array with respect to a pivot. We focus on implementations for current widely available multi-core architectures. After reviewing existing algorithms, we propose a modification to obtain the minimal number of comparisons. We have implemented these algorithms and drawn an experimental comparison.