Parallel Self-Index Integer Sorting

  • Authors:
  • Hazem M. Bahig;Sameh S. Daoud;Mahmoud K. A. Khairat

  • Affiliations:
  • Department of Mathematics, Faculty of Science, Ain Shams University, Cairo, Egypt HBahig@asunet.shams.edu.eg;Department of Mathematics, Faculty of Science, Ain Shams University, Cairo, Egypt;Department of Mathematics, Faculty of Science, Ain Shams University, Cairo, Egypt

  • Venue:
  • The Journal of Supercomputing
  • Year:
  • 2002

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Abstract

We consider the problem of sorting n integers when the elements are drawn from the restricted domain [1…n]. A new deterministic parallel algorithm for sorting n integers is obtained. Its running time is O(lognlog(n/logn)) using n/logn processors on EREW (exclusive read exclusive write) PRAM (parallel random access machine). Also, our algorithm was modified to become optimal when we use \sqrt{n} processors. This algorithm belongs to class EP (Efficient, Polynomial fast).