Re: Linking ATLAS with Octave

[Trond Eivind Glomsrød]

Przemek Klosowski <address@hidden> writes:

>    > Compiling Atlas is said to be somewhat tricky.
> 
>    It's not tricky, but it will take a long time and it will be very
>    optimized for an exact configuration.
> 
>    I'd love for a shared, non-optimized version to be available... thus
>    we could ship a version working everywhere, and the local sysadmin
>    could recompile it for his machines, optimized for them if needed.
> 
> Rather than one non-optimized Atlas, I think it'd be better to do what
> both Matlab and Dirk/Debian do: provide several libs, appropriate for
> major platform choices, with run-time selection of the default one,
> overridable by environment/cmdline. My suggestion for the libraries
> would be:
>       Athlon w/o 3DNow
>       PII
>       PPro
>       PIII
>       P4 with SIMD, yeay
>       Athlon with 3DNow

Too many.

> I wonder how Debian set up BLAS libs for dynamic linking; I think the
> default is a static link.

BLAS? I made a patch years ago make it create a dynamic library -
nowadays that patch is even part of the rpm you can find on netlib.
It's very simplistic, though... libtoolizing would be better.


-- 
Trond Eivind Glomsrød
Red Hat, Inc.



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------