Automatic parallelisation of staggered grid codes with expression templates

  • Authors:
  • C. Pflaum;Z. Rahimi

  • Affiliations:
  • Erlangen Graduate School of Advanced Optical Technologies, Department of Computer Science, University Erlangen-Nuremberg, Cauerstrabe 6 D-91058 Erlangen, Germany.;Fraunhofer Institute of Integrated Systems and Device Technology and Erlangen Graduate School of Advanced Optical Technologies, Schottkystrabe 10, D-91058 Erlangen, Germany

  • Venue:
  • International Journal of Computational Science and Engineering
  • Year:
  • 2009

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Abstract

The finite difference discretisation on staggered grids is a common technique to discretise Maxwell's equations and Stokes equations. The implementation of this discretisation on staggered grids is simplified and optimised by a new expression template concept. The MPI parallelisation is hidden in an underlying expression template library. The efficiency of the proposed technique is demonstrated by simulations of thin film solar cells using the Finite Difference Time Domain (FDTD) method.