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Modeling of the behavior of 222 Rn progeny in diffusion chamber using CUDA

Adam Stanojevic, Milos Ivanovic, Nenad Stevanovic, Filipovic Nenad
Faculty of Engineering, University of Kragujevac, Serbia
Transactions on Advanced Research, Volume 10, Number 1, 2014

@article{stanojevic2014modeling,

   title={Modeling of the behavior of 222 Rn progeny in diffusion chamber using CUDA},

   author={Stanojevi{‘c}, Adam and Ivanovi{‘c}, Milo{v{s}} and Stevanovi{‘c}, Nenad},

   year={2014}

}

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Parallel program has been developed for simulation of Radon progeny behavior in the diffusion chamber. The program executes on general purpose graphics processing unit based on CUDA platform. Algorithm of the sequential version based on Brownian motion and diffusion has been rewritten for parallel use. During development, special attention has been paid to instruction execution mechanism, usage of different memory types and overall resource consumption. For random number generating, auxiliary linear congruent mechanism has been used. Serial version has been significantly outperformed in execution speed without any accuracy loss. All that produced significant speed improvement in acquisition of statistical data for Radon progeny behavior in the diffusion chamber.
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