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Study on acceleration technique for two-dimensional FDTD algorithm based on GPU

Feng Jin, Xiaoli Xi, Hu Liu, Zhensheng Shi, Daocheng Wu
Xi’an Jiao Tong University, Xi’an, China
9th International Symposium on Antennas Propagation and EM Theory (ISAPE), 2010

@article{title={{Study on acceleration technique for two-dimensional FDTD algorithm based on GPU}},

   author={Jin, Feng and Xi, Xiaoli and Liu, Hu and Shi, Zhensheng and Wu, Daocheng},

   booktitle={9th International Symposium on Antennas Propagation and EM Theory (ISAPE)},

   year={2010}

}

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The Parallel finite difference time domain (FDTD) algorithm is an important method to 1 enhance the speed in multiple data FDTD operation. The improvement of graphics processing unit (GPU) performance, especially the emergence of Computer Unit Device Architecture (CUDA), offers parallel FDTD method an efficient and simple solution. First of all, this paper explains parallel FDTD method and CUDA in detail, and then elaborates the parallel speedup principle of two-dimensional FDTD algorithm by use of GPU on the CUDA platform. At last, this paper analyzes computing time of the FDTD algorithm on two different CPUs and GPUs. The result shows the consistency of the results between serial and parallel algorithms, and observably speedup is obtained compared with traditional PC computation by use of GPU.
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