[SciPy-user] scipy on old CPU crashes (David Cournapeau)

oyster lepto.python@gmail....
Wed Dec 17 00:30:15 CST 2008


> Date: Thu, 4 Dec 2008 12:15:27 +0900
> From: "David Cournapeau" <cournape@gmail.com>
> On Wed, Dec 3, 2008 at 4:06 PM, David Cournapeau <cournape@gmail.com> wrote:
> > On Tue, Dec 2, 2008 at 11:52 PM, David Cournapeau <cournape@gmail.com> wrote:
> >> On Tue, Dec 2, 2008 at 4:36 PM, oyster <lepto.python@gmail.com> wrote:
> >>> sorry, but scipy-0.7.0b1-win32-superpack-python2.4.exe and
> >>> numpy-1.2.1-win32-superpack-python2.4.exe crash on my old pc too,
> >>> which uses duron 750MHz. So now I think it is not the problem with
> >>> non-sse/sse/sse2 instruction
> >>>
> >>
> >
> > Ok, I checked the machine code in scipy and it seems that the quadpack
> > module (used by scipy.integrate) has a couple of SSE instructions.
> > Code-wise, it is trivial to solve, but we may need a new numpy version
> > for that.
> >
>
> Could you try this installer ?
>
> http://www.ar.media.kyoto-u.ac.jp/members/david/archives/scipy/scipy-0.7.0.dev5213-win32-superpack-python2.4.exe
>
> This one should hopefully contains no SSE instructions at all for old
> CPU (the _quadpack.pyd contains no SSE2 instructions anymore), and
> should work.
>
> David
I am back
and this build works on my old DURON. Thank you very much and I hope
the next official release has the correct build too ^-^

[code]
>>> i.quad(lambda x:x,1,3)
(4.0, 4.4408920985006262e-014)
[/code]

CU
Lee June


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