• 제목/요약/키워드: Faddev-Leverrier algorithm

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GPGPU를 이용한 파데브-레브리어 알고리즘 구현 및 성능 분석 (Implementation and Performance Evaluation of the Faddev-Leverrier Algorithm using GPGPU)

  • 박용훈;김철홍;김종면
    • 대한임베디드공학회논문지
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    • 제8권3호
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    • pp.171-178
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    • 2013
  • In this paper, we implement the Faddev-Leverier algorithm using GPGPU (General-Purpose Graphics Processing Unit) to accelerate singular value decomposition. In addition, we compare the performance of the algorithm using CPU and CPU plus GPGPU for eleven ${\times}n$ matrix sizes in order to decompose singular values, where =4, 8, 16, 32, 64, 128, 256, 512, 1,024, 2,048, and 4,096. Experimental results indicate that CPU achieves better performance than CPU plus GPGPU for $n{\leq}64$ because of a large number of read and write operations between CPU and GPGPU. However, CPU plus GPGPU outperforms CPU exponentially in the execution time for $n{\geq}64$.