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PIER PIER B PIER C PIER M PIER Letters
2007-12-18
A Novel FDTD Approach Featuring Two-Level Parallelization on PC Cluster
By
Yu Liu,

    Dr. Yu Liu

    Department of Optics and Optical engineering

    University of Science and Technology of China (USTC)

    China

    Homepage

Zheng Liang,

    Dr. Zheng Liang

    University of Electronic Science and Technology of China

    China

    Homepage

Ziqiang Yang

    Dr. Ziqiang Yang

    School of Electronic Engineering

    University of Electronic Science and Technology of China

    China

    Homepage

Progress In Electromagnetics Research, Vol. 80, 393-408, 2008
doi:10.2528/PIER07120703
Abstract
To improve the parallel efficiency in the case of the finegrained FDTD computing on PC cluster, the concept of "two level parallelization on PC cluster" is presented, and a high performance MPI-OpenMP hybrid FDTD algorithmis developed. In the hybrid algorithm, MPI is used in conjunction with OpenMP multithreading to achieve two level parallelismof the data and tasks at the basis of the domain decomposition FDTD method. Besides, to enhance the flexibility of the parallel FDTD, the interpolation between subspaces is also discussed. The simulation example of a printed antenna for automobile is given. Computations are performed for different numbers of PCs and contrasted with two conventional parallel FDTD algorithms on PC cluster. The results show that with the decrease of the computational granularity on each computer, the novel algorithm is more efficient, and moreover, it can also lessen the influence of the sub-domains virtual topology on the parallel FDTD performance.
Citation
Yu Liu, Zheng Liang, and Ziqiang Yang, "A Novel FDTD Approach Featuring Two-Level Parallelization on PC Cluster," Progress In Electromagnetics Research, Vol. 80, 393-408, 2008.
doi:10.2528/PIER07120703
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