Techniques for designing efficient parallel graph algorithms for SMPs and multicore processors

  • Authors:
  • Guojing Cong;David A. Bader

  • Affiliations:
  • IBM TJ Watson Research Center, Yorktown Heights, NY;College of Computing, Georgia Institute of Technology, Atlanta, GA

  • Venue:
  • ISPA'07 Proceedings of the 5th international conference on Parallel and Distributed Processing and Applications
  • Year:
  • 2007

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Abstract

Graphproblemsarefindingincreasingapplications inhighperformance computing disciplines. Although many regular problems can be solved efficiently in parallel, obtaining efficient implementations for irregular graph problems remains a challenge. We propose techniques for designing and implementing efficient parallel algorithms for graph problems on symmetric multiprocessors and chip multiprocessors with a case study of parallel tree and connectivity algorithms. The problems we study represent a wide range of irregular problems that have fast theoretic parallel algorithms but no known efficient parallel implementations that achieve speedup without serious restricting assumptions about the inputs. We believe our techniques will be of practical impact in solving large-scale graph problems.