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Improving the Performance of a Ray Tracing Algorithm Using a GPU

Santiago Cioli, Gonzalo Ordeix, Eduardo Fernandez, Martin Pedemonte, Pablo Ezzatti
XXIX International Conference of the Chilean Computer Science Society (SCCC), 2010

@conference{cioli2010improving,

   title={Improving the Performance of a Ray Tracing Algorithm Using a GPU},

   author={Cioli, S. and Ordeix, G. and Fernandez, E. and Pedemonte, M. and Ezzatti, P.},

   booktitle={Chilean Computer Science Society (SCCC), 2010 XXIX International Conference of the},

   pages={11–20},

   issn={1522-4902},

   organization={IEEE}

}

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This article presents the application of parallel computing techniques using a Graphics Processing Unit (GPU)in order to improve the computational efficiency of a ray tracing algorithm. Three different GPU implementations of the ray tracing algorithm are presented. The experimental evaluation of the proposed methods demonstrates that a significant reduction of the computing time can be obtained when compared with a CPU implementation, making a step forward to the real-time calculation of scene brightness on desktop computers.
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