Re: [Help-gsl] Use of assembler code in matrix get element functions. Could be useful?

[Leo Razoumov]

On Mon, Oct 25, 2010 at 15:02, Thomas Weber <address@hidden> wrote:
> On Sat, Oct 23, 2010 at 10:36:00AM +0200, José Luis García Pallero wrote:
>
> I suggest having a look at
> http://dl.fefe.de/optimizer-isec.pdf
> first.
>
> Quote from it (page 38):
>  - Using the inline assembler is hard
>  - Most people can’t do it
>  - Of those who can, most don’t actually improve performance with it
>
>        Thomas
>

Also, use CBLAS interface as much as you can and vectorize your matrix
operations. There are highly assembler optimized CBLAS libraries out
there (ATLAS, Goto BLAS) that are compatible with GSL

--Leo--