[Numpy-tickets] [NumPy] #644: distutils/cpuinfo fails to detect some nocona based hardware
NumPy
numpy-tickets@scipy....
Sun Mar 23 01:27:52 CDT 2008
#644: distutils/cpuinfo fails to detect some nocona based hardware
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Reporter: jsbronder | Owner: cdavid
Type: defect | Status: closed
Priority: normal | Milestone: 1.0.5
Component: numpy.distutils | Version: devel
Severity: normal | Resolution: fixed
Keywords: |
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Changes (by cdavid):
* status: reopened => closed
* resolution: => fixed
Comment:
I took a look at the linux kernel sources for the values put into
/proc/cpuinfo (arch/x86/kernel/cpu/proc.c), and I don't see any sse3, only
ssse3 (there is sse4 related flags, though). It *looks* like the real name
of sse3 is pni:
http://gwenole.beauchesne.info/en/blog/2007/04/15/cpuinfo_1.0-prerelease
I committed the changes in r4931 and r4933 (has_sse3 returns true when pni
is detected, a function has_ssse3, and detected nocona if both has_sse3
and !has_ssse3() are true). I think this should fix the issue for good.
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Ticket URL: <http://scipy.org/scipy/numpy/ticket/644#comment:8>
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