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## Re: about the computing speed

**From**: |
Mike Miller |

**Subject**: |
Re: about the computing speed |

**Date**: |
Thu, 1 Oct 2015 08:40:37 -0400 |

**User-agent**: |
Mutt/1.5.24 (2015-08-30) |

On Wed, Sep 30, 2015 at 18:07:28 +0900, Sungwon Shin wrote:
>* Should I install any package to compute faster? Or what package is related*
>* to the computing speed of math functions? I'm worrying about that I missed*
>* some package when I installed the dependencies.*
>* *
>* ex) a=rand(1000,1000);*
>* tic;*
>* inv(a); <----inverse function*
>* toc*1000*
Many, but not all, of the math functions are implemented using the
BLAS/LAPACK libraries. Try installing OpenBLAS for a (multicore)
performance boost over the standard BLAS functions. It is a drop-in
replacement so you should not need to recompile Octave.
--
mike

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