[Numpy-discussion] ANN: NumPy 1.2.0
Charles R Harris
Fri Sep 26 17:33:24 CDT 2008
On Fri, Sep 26, 2008 at 12:24 PM, Thomas Heller <firstname.lastname@example.org> wrote:
> >> If I now build applications using numpy with py2exe for distribution,
> >> what will happen on the target computers if the components are not
> >> for the actual machine type?
> > Note that the superpack is actually quite primitive: it is a nsis
> > installer which encompasses actual installers built with bdist_wininst,
> > the nsis being used only to detect CPU arch automatically. So if you
> > need the installers as before, you can just ask nsis to extract all
> > three installers I believe, from the command line. If it is a problem,
> > or if we can make it easier for you, please tell us. I am the one who
> > did this scheme, and I do not use py2exe (or windows for that matter),
> > so I would be happy to solve the problems if you tell me how :)
> Well, the first question is: What does happen when I install the SSE3
> (or how it's called) on my machine, use py2exe to build an app, and this
> app runs on a SSE2 machine - degraded performance, or hard crashes?
> I could probably live with the least performance, but not with the crashes
Probably hard crashes.
> So, maybe the gui could allow to select whether to install the
> version specialized for the current cpu, or a more portable but a little
> slower version (I assume there is one included) that can be safely used for
Compiling without Atlas would probably be the safest.
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