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Title: Precorrected-FFT method on graphics processing units
Authors: Peng, S. 
Wang, C.-F. 
Keywords: Compute unified device architecture (CUDA)
electric field integral equation (EFIE)
graphics processing unit (GPU)
precorrected-FFT (P-FFT) method
Issue Date: 2013
Citation: Peng, S., Wang, C.-F. (2013). Precorrected-FFT method on graphics processing units. IEEE Transactions on Antennas and Propagation 61 (4) : 2099-2107. ScholarBank@NUS Repository.
Abstract: A detailed scheme of mapping Precorrected-FFT (P-FFT) method to graphics processing units (GPUs) is presented through the solution of electric field integral equation (EFIE) for modeling the scattering from 3-D perfectly electric conducting (PEC) object. The procedure of the P-FFT method is analyzed to identify its computationally intensive spots, which are to be implemented on GPU. Based on this, a mapping scheme is proposed. Moreover, the optimization of the GPU code is discussed to demonstrate its importance in achieving better performance. The optimization scheme is broken down into several stages to show the gradual performance improvement in each stage. Accurate numerical results obtained using the GPU code validate the proposed mapping and optimization scheme. The performance of GPU code is benchmarked and the acceleration ratio achieved is more than 50. © 1963-2012 IEEE.
Source Title: IEEE Transactions on Antennas and Propagation
ISSN: 0018926X
DOI: 10.1109/TAP.2012.2232892
Appears in Collections:Staff Publications

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