An efficient deterministic parallel algorithm for two processors precedence constraint scheduling

  • Authors:
  • Hermann Jung;Maria Serna;Paul Spirakis

  • Affiliations:
  • Humboldt University, Germany;Dept. de Llentguatges i Sistemes Informàtics. Universitat Politècnica de Catalunya, Pau Gargallo 5, 08028 Barcelona, Spain;Computer Technology Institute, Riga Fereou 61, 26110 Patras, Greece

  • Venue:
  • Theoretical Computer Science - Algorithms,automata, complexity and games
  • Year:
  • 2003

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Abstract

We present here a new deterministic parallel algorithm for the two-processor scheduling problem. The algorithm uses only O(n3) processors and takes O(log2n) time on a CREW PRAM. In order to prove the above bounds we show how to compute in NC the lexicographically first matching for a special kind of convex bipartite graphs.