[SciPy-User] building scipy with umfpack and amd .. how does it help

[Justus Schwabedal]

Hi Sai,

is it possibly because the other configuration runs
everything in 32-bit?

Best, J


2014-07-16 13:00 GMT-04:00 <scipy-user-request at scipy.org>:

> Send SciPy-User mailing list submissions to
>         scipy-user at scipy.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
>         http://mail.scipy.org/mailman/listinfo/scipy-user
> or, via email, send a message with subject or body 'help' to
>         scipy-user-request at scipy.org
>
> You can reach the person managing the list at
>         scipy-user-owner at scipy.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of SciPy-User digest..."
>
>
> Today's Topics:
>
>    1. building scipy with umfpack and amd .. how does it help
>       (Sai Rajeshwar)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 16 Jul 2014 15:26:51 +0530
> From: Sai Rajeshwar <rajsai24 at gmail.com>
> Subject: [SciPy-User] building scipy with umfpack and amd .. how does
>         it help
> To: scipy-user at scipy.org
> Message-ID:
>         <CACK3L_DzJAWH_dF69g4+r59=
> M40-CLBb9e+Let30mQ8xWk1LiA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> hi,
>
>    im running  a code which uses scipy.signal.convolve and numpy.sum
>  extensively. I ran the code on two machines. One machine took very less
> time compared to other with same configuration,  i checked the scipy
> configuration in that machine. i found scipy in that is built with umfpack
> and amd..
>
> is this the reason behind it..  in what way umfpack and amd aid scipy
> operations..?
>
> --------------------------------
>
> >>> scipy.__config__.show()
> blas_info:
>     libraries = ['blas']
>     library_dirs = ['/usr/lib64']
>     language = f77
>
> amd_info:
>     libraries = ['amd']
>     library_dirs = ['/usr/lib64']
>     define_macros = [('SCIPY_AMD_H', None)]
>     swig_opts = ['-I/usr/include/suitesparse']
>     include_dirs = ['/usr/include/suitesparse']
>
> lapack_info:
>     libraries = ['lapack']
>     library_dirs = ['/usr/lib64']
>     language = f77
>
> atlas_threads_info:
>   NOT AVAILABLE
>
> blas_opt_info:
>     libraries = ['blas']
>     library_dirs = ['/usr/lib64']
>     language = f77
>     define_macros = [('NO_ATLAS_INFO', 1)]
>
> atlas_blas_threads_info:
>   NOT AVAILABLE
>
> umfpack_info:
>     libraries = ['umfpack', 'amd']
>     library_dirs = ['/usr/lib64']
>     define_macros = [('SCIPY_UMFPACK_H', None), ('SCIPY_AMD_H', None)]
>     swig_opts = ['-I/usr/include/suitesparse',
> '-I/usr/include/suitesparse']
>     include_dirs = ['/usr/include/suitesparse']
>
> thanks a lot for your replies in advance
>
> *with regards..*
>
> *M. Sai Rajeswar*
> *M-tech  Computer Technology*
>
>
> *IIT Delhi----------------------------------Cogito Ergo Sum---------*
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL:
> http://mail.scipy.org/pipermail/scipy-user/attachments/20140716/b4cdaa7d/attachment-0001.html
>
> ------------------------------
>
> _______________________________________________
> SciPy-User mailing list
> SciPy-User at scipy.org
> http://mail.scipy.org/mailman/listinfo/scipy-user
>
>
> End of SciPy-User Digest, Vol 131, Issue 20
> *******************************************
>



-- 
Justus Schwabedal

skype: justus1802
Work: +1 617 353 4659
Handy (US): +1 617 449 8478
Handy (D): +49 177 939 5281
email: jschwabedal at googlemail.com

657 John Wesley Dobbs Ave NE
30312 Atlanta, GA
USA

Steinkreuzstr. 23
53757 Sankt Augustin
Germany
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.scipy.org/pipermail/scipy-user/attachments/20140717/c68da312/attachment.html>