Solving Problems With Over One Billion Unknowns by the MLFMA
Solving Problems With Over One Billion Unknowns by the MLFMA
复制标题
通过 MLFMA 解决超过 10 亿未知数的问题
DOI:
10.1109/tap.2012.2189746
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发表时间:
2012-03
影响因子:
5.7
通讯作者:
Sheng, Xin-Qing
中科院分区:
文献类型:
--
作者:
Pan, Xiao-Min;Pi, Wei-Chao;Yang, Ming-Lin;Peng, Zhen;Sheng, Xin-Qing
Using OpenMP to further accelerate the pure MPI parallel MLFMA, an efficient and flexible parallel multilevel fast multipole algorithm (MPI-OpenMP-MLFMA) is proposed. Compared with previous MPI parallel schemes, the MPI-OpenMP-MLFMA improves the load-balance and scalability greatly. The computational capability of the proposed MPI-OpenMP-MLFMA is demonstrated by computing scattering from two extremely large targets: a sphere with a diameter of 1200 wavelengths, modeled by 1,063,706,700 unknowns, and an airplane model with the largest dimension of 1600 wavelengths, involving 288,151,344 unknowns.
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