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Proceedings Paper

Efficient optical simulation of nano structures in thin-film solar cells
Author(s): Julian Hornich; Georg Hager; Christoph Pflaum
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Paper Abstract

Optical simulations are a crucial part in designing and understanding new solar cell devices to help with the transition to more environmentally friendly energy generation. We present a multicore wavefront diamond blocking scheme with multi-dimensional cache block sharing for our hybrid-parallel (MPI+OpenMP) optical solar cell simulation code utilizing the Time Harmonic Inverse Iteration Method (THIIM) to discretize Maxwell’s equations. This approach allows to decouple the code from the main memory bandwidth bottleneck and achieves a single node speed-up of up to three compared to an optimal implementation with pure spatial blocking and a multi node speed-up of up to two even with large numbers of compute nodes.

Paper Details

Date Published: 28 May 2018
PDF: 13 pages
Proc. SPIE 10694, Computational Optics II, 106940R (28 May 2018); doi: 10.1117/12.2312545
Show Author Affiliations
Julian Hornich, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Georg Hager, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)
Christoph Pflaum, Friedrich-Alexander-Univ. Erlangen-Nürnberg (Germany)

Published in SPIE Proceedings Vol. 10694:
Computational Optics II
Daniel G. Smith; Frank Wyrowski; Andreas Erdmann, Editor(s)

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