[SciPy-user] 'from scipy import linalg' fails
Fri May 8 12:15:40 CDT 2009
I am installing scipy for quant researchers and do need the most optimized version of blas there is. Therefore, I chose ATLAS.
ATLAS offers an example of ATLAS/lapack combination on Red Hat.
I follow every step of the way exactly as it's stated in the atlas_install.pdf document.
I still run into the issue of "undefined symbol: srotmg_"
I am wondering if the version of gcc 3.2.3 has anything to do with it.
What details do I need to provide here for analysis?
From: email@example.com [mailto:firstname.lastname@example.org] On Behalf Of David Cournapeau
Sent: Thursday, May 07, 2009 9:35 AM
To: SciPy Users List
Subject: Re: [SciPy-user] 'from scipy import linalg' fails
On Thu, May 7, 2009 at 10:07 PM, Klubok, Igor <Igor.Klubok@sac.com> wrote:
> Good morning,
> I installed scipy 0.7.0 and numpy 1.3.0 on 64bit RedHat Linux 3 ES
> (kernel 2.4.21-37.Elsmp, AMD-based hardware)
> Since there was a known bug for incomplete blas packags on RedHat, I
> properly compiled lapack 3.1.1 and atlas 3.8.3 and installed the
> resultant files in /usr/local/lib/atlas dir. I set up an env var
> ATLAS=/usr/local/lib/atlas/lib prior to scipy build/install process.
Your ATLAS is not correctly built. Unless you really need the extra speed, you should use the basic blas/lapack from netlib.org, they are much easier to build.
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