Parallel prefix computation on extended multi-mesh network

  • Authors:
  • Prasanta K. Jana;B. Damodara Naidu;Shailendra Kumar;Monish Arora;Bhabani P. Sinha

  • Affiliations:
  • Department of Computer Science and Engineering, Indian School of Mines, Dhanbad 826 004, India;Department of Computer Science and Engineering, Indian School of Mines, Dhanbad 826 004, India;CReWMaN Lab, 411 Woolf Hall, 500 First Street, Arlington, TX;CReWMaN Lab, 411 Woolf Hall, 500 First Street, Arlington, TX;Advanced Computing and Microelectronics Unit, Indian Statistical Institute, 203 B.T. Road, Calcutta 700 035, India

  • Venue:
  • Information Processing Letters
  • Year:
  • 2002

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Abstract

A parallel algorithm for prefix computation of N = n4 elements on an n × n extended multi-mesh network is presented. The network is a modified version of an earlier multi-mesh network with a 4-regular structure. The algorithm takes O(N1/4) time on N processors (13N1/4 - 5 communication steps and log N + 4 arithmetic/logic steps).