An Optimal Sorting Algorithm on Reconfigurable Mesh

  • Authors:
  • Ju-wook Jang;Viktor K. Prasanna

  • Affiliations:
  • -;-

  • Venue:
  • IPPS '92 Proceedings of the 6th International Parallel Processing Symposium
  • Year:
  • 1992

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Abstract

An optimal sorting algorithm on the reconfigurable mesh is proposed. The algorithm sorts n numbers in constant time using n*n processors. The best known previous result uses O(n*nlog/sup 2/n) processors. The presented algorithm satisfies the AT/sup 2/ lower bound of Omega (n/sup 2/) for sorting n numbers in the word model of VLSI. Modification to the algorithm for area-time trade-off is shown, to achieve AT/sup 2/ optimality over 1脙or=T脙or= square root n. Previously, the bound was achieved over log n脙or=T脙or= square root n.