[SciPy-user] ATLAS and gcc v4.0.2
nwagner at mecha.uni-stuttgart.de
Tue Feb 28 04:29:41 CST 2006
On Tue, 28 Feb 2006 19:20:55 +0900
Christian Kristukat <ckkart at hoc.net> wrote:
> Nils Wagner wrote:
>>>> SuSE 10.0 comes with gcc-fortran
>>>> Name : gcc-fortran Relocations:
>>> You're right. But the executable is called 'gfortran'. I
>>> mixed that up.
>> I have already build blas and lapack libraries using g77
>> according to the installation hints.
>> Can I use them or must I recompile blas and lapack with
>> gfortran ?
> I'm not an expert on this subject, just sharing my
>experiences. If you're using
> ATLAS you don't need BLAS as far as I understood. I
>followed the instructions in
> the link I posted before. Compared to the compilation
>time of ATLAS, LAPACK
> builds almost instantaneously, so it doesn't hurt to
>rebuild LAPACK, I just
> don't know wether g77 built LAPACK works together with
> At least I know, that if you're using gfrotran all the
>time, everything works
> fine on SuSE 10.0.
> Good luck, Christian
I have recompiled both blas and lapack.
There is a difference in the size of the libraries
-rw-r--r-- 1 root root 7887268 2006-02-28 09:19
-rw-r--r-- 1 root root 7833516 2006-02-28 11:20
-rw-r--r-- 1 root root 629322 2006-02-28 11:06
-rw-r--r-- 1 root root 615722 2006-02-28 11:28
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