OpenMP based parallel normalized direct methods for sparse finite element linear systems

  • Authors:
  • George A. Gravvanis

  • Affiliations:
  • Department of Electrical and Computer Engineering, School of Engineering, Democritus University of Thrace, Xanthi, Greece 67100

  • Venue:
  • The Journal of Supercomputing
  • Year:
  • 2009

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Abstract

A new parallel normalized exact inverse algorithm is presented for solving sparse symmetric finite element linear systems on symmetric multiprocessor systems (SMP), based upon an antidiagonal motion approach ("wave"-like pattern) for overcoming the data dependencies. The proposed algorithm was implemented using OpenMP directives. Numerical results, such as speedups and efficiency, are presented illustrating the efficient performance on a symmetric multiprocessor computer system, where the proposed algorithmic solution method achieves good speedups.