Cache optimization of a non-orthogonal joint diagonalization method

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概要

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• The LUJ2D algorithm is a recently proposed numerical solution method for non-orthogonal joint diagonalization problems appearing in signal processing. The original LUJ2D algorithm attains low performance on modern microprocessors since it is dominated by cache ineffective operations. In this study, we propose a cache efficient implementation of the LUJ2D algorithm. The experimental results show that the proposed implementation is about 1.8 times faster than the original one, achieving 21\% of the peak performance on the Opteron 1210 processor using one core.

著者

• Yamamoto Yusaku

  Graduate School of System Informatics, Kobe University

• HIROTA Yusuke

  Graduate School of Information Science and Technology, Osaka University

• Hirota Yusuke

  Graduate School of System Informatics, Kobe University

• Zhang Shao-Liang

  Graduate School of Engineering, Nagoya University

関連論文

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