[Numpy-discussion] 64bit infrastructure

Ralf Gommers ralf.gommers at gmail.com
Sun Aug 19 14:39:28 EDT 2012


On Sun, Aug 19, 2012 at 9:14 AM, Sayth Renshaw <flebber.crue at gmail.com>wrote:

> > Message: 4
> > Date: Fri, 17 Aug 2012 15:25:21 -0700
> > From: Matthew Brett <matthew.brett at gmail.com>
> > Subject: Re: [Numpy-discussion] 64bit infrastructure
> > To: Discussion of Numerical Python <numpy-discussion at scipy.org>
> > Message-ID:
> >         <CAH6Pt5qa27Zb+UkOZB5EzsLK5UuoB-f8UcwFjdL2YcEBRZ=
> Wdw at mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > Hi,
> >
> > On Fri, Aug 17, 2012 at 2:25 PM, Sayth Renshaw <flebber.crue at gmail.com>
> wrote:
> >>>
> >>> Hi Sayth,
> >>>
> >>> On Thu, Aug 16, 2012 at 8:51 PM, Sayth Renshaw <flebber.crue at gmail.com>
> wrote:
> >>>> Hi
> >>>>
> >>>> I was just wondering if the current absence of 64bit builds was as a
> result
> >>>> of an infrastructure or funding concern.
> >>>>
> >>>> I like many now have only 64 bit systems and am using the unofficial
> builds.
> >>>>
> >>>> If it was something we could raise funds to resolve, how much? Or is
> it more
> >>>> complex than that?
> >>>
> >>> Which platform, windows?
> >>>
> >>> Ondrej
> >>>
> >>>
> >>
> >> Yes I have a Windows 7 64Bit install and a ubuntu 64 Bit install.
> >
> > Isn't the numpy ubuntu install 64 bit by default?
> >
> > You may have seen that there are numpy and scipy 64-bit windows
> installers here:
> >
> > http://www.lfd.uci.edu/~gohlke/pythonlibs/
> >
> > Do they work for you?
> >
> > Best,
> >
> > Matthew
> >
> >
> > ------------------------------
> >
>
> Thanks Matthew
>
> yeah that's the one I am currently using and it is working ok but just
> thought if there was a way to help 64bit builds become official then I
> would ask.
>

The problem is that, unlike 32-bit builds, they can't be made with open
source compilers on Windows. So unless we're okay with that, we stay with
the current situation. Fortunately Christoph Golhke's unofficial binaries
are excellent.

Ralf
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