Parallel GPU algorithms for alternate-triangular finite difference schemes

V.O. Bohaienko
V.M. Glushkov Institute of cybernetics of NAS of Ukraine, Glushkov ave., 40, Kyiv, Ukraine
Third International Conference "High Performance Computing" (HPC-UA 2013), 2013


   title={Parallel GPU algorithms for alternate-triangular finite difference schemes},

   author={Bohaienko, VO},



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Parallel algorithms for modern high performance computing systems are required for fast modelling of high dimensional convection-diffusion processes in air. Such algorithms, designed for alternate-triangular finite difference splitting schemes applied to convection-diffusion equation, have been considered. An algorithm for single GPU systems and an algorithm for clusters with graphical processors has been described, algorithms’ performance theoretical estimations has been given and results of their testing on SKIT-4 cluster of Institute of Cybernetics has been presented. Obtained testing results about developed algorithms’ performance with sufficient accuracy agree with theoretical estimations.
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