[Numpy-discussion] Intel MKL on Core2 system
Wed Mar 11 13:55:02 CDT 2009
On Wed, Mar 11, 2009 at 1:41 PM, David Cournapeau <firstname.lastname@example.org>wrote:
> On Thu, Mar 12, 2009 at 3:15 AM, Ryan May <email@example.com> wrote:
> > Hi,
> > I noticed the following in numpy/distutils/system_info.py while trying to
> > get numpy to build against MKL:
> > if cpu.is_Itanium():
> > plt = '64'
> > #l = 'mkl_ipf'
> > elif cpu.is_Xeon():
> > plt = 'em64t'
> > #l = 'mkl_em64t'
> > else:
> > plt = '32'
> > #l = 'mkl_ia32'
> > So in the autodetection for MKL, the only way to get plt (platform) set
> > 'em64t' is to test true for a Xeon. This function returns false on my
> > Duo system, even though the platform is very much 'em64t'. I think that
> > check should instead read:
> > elif cpu.is_Xeon() or cpu.is_Core2():
> > Thoughts?
> I think this whole code is inherently fragile. A much better solution
> is to make the build process customization easier and more
> straightforward. Auto-detection will never work well.
> Numpy-discussion mailing list
Graduate Research Assistant
School of Meteorology
University of Oklahoma
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