CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2015, Vol. 32 ›› Issue (4): 475-481.

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Parallel Algorithms for Separable Elliptic Equation based on GPU

CAO Jianwei, XU Xiang, WANG Younian   

  1. School of Physics and Optoelectronic Technology, Dalian University of Technology, Dalian 116024, China
  • Received:2014-06-23 Revised:2014-11-01 Online:2015-07-25 Published:2015-07-25

Abstract: We study parallel algorithms of Jacobi iteration and DRM based on GPU for separable elliptic equation. Two test cases are performed on GTX 570 platform to verify validity of parallel algorithms. It shows that the maximum speed-up ratio on DOUBLE reaches about 14. And efficiency reaches 53% for Jacobi iteration. Besides,the maximum speed-up ratio on DOUBLE reaches about 3.8. And efficiency reaches 15% for DRM algorithm.

Key words: Jacobi iteration, DRM, GPU, CUDA

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