Dynamic load balance strategy: application to nonlinear optics

Authors:
A. Bourgeade;B. Nkonga
Affiliations:
CEA-CESTA: Commissariat à l'Energie Atomique, BP 2, 33114 le Barp.;MAB: Mathématiques Appliquées de Bordeaux, UMR CNRS 5466, LRC-CEA M03, Univ. Bordeaux 1, 33405 Talence cedex.
Venue:
High performance scientific and engineering computing
Year:
2004

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Abstract

This chapter present an efficient parallel approach for the numerical computation of pulse propagation in nonlinear dispersive optical media. The numerical approach is based on the Finite Difference Time Domain (FDTD) method, developed in a system of coordinates moving with the group velocity of the main pulse. The parallel strategy, in order to preserves the global load of the optimal sequential computations, is developed in the dynamic load balancing framework. The efficiency of the parallel approaches is investigated with the computation of the second harmonic generation in a KDP type crystal.