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1 TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk

1 2018

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GPU software and architecture comparison for numerical simulation of partial deferential equations

May Jon B., Pera Donato

TASK Quarterly : scientific bulletin of Academic Computer Centre in Gdansk

2018

Vol. 22. No 1

85--100

This paper will show a comparison between the Kepler, Maxwell and Pascal GPU architectures using CUDA-Fortran, with and without dynamic calls, to efficiently solve partial differential equations. The target is to show the possibility of using affordable hardware, such astheGTX670,GTX970 andGTX1080 NVIDIA GPUs, which are commonly found in personal and portable computers, for scientific applications. For simplicity we consider a standard wave equation where we use a second order finite difference method for the spatial and time discretizations to obtain the numerical solution. We found that, as we increase the spatialre solution of the domain we also increase the performance difference between the GPU and the Central Processing Unit (CPU).