[Numpy-discussion] Lots of 32bits specific errors

Xavier Gnata xavier.gnata@gmail....
Tue Jan 5 17:17:12 CST 2010


> On Wed, Jan 6, 2010 at 6:48 AM, Xavier Gnata <xavier.gnata@gmail.com> wrote:
>   
>> Hi,
>>
>> I have compiled numpy 1.5.0.dev8039 both on a 32 and a 64bits ubuntu
>> machine.
>>
>> On the 64bits one, everything is fine:
>> numpy.test get a perfect score:
>> <nose.result.TextTestResult run=2504 errors=0 failures=0>
>>
>> On the 32bits ubuntu, the story is not that nice:
>> <nose.result.TextTestResult run=2504 errors=1 failures=16>
>>     
> Almost all your errors are in linalg - most likely an atlas problem.
> Atlas with sse2 is buggy on some Ubuntu versions. You should check
> Ubuntu bug tracker to see if it affects the version you are using.
>
>   
Thanks, you got it! atlas sse2 in fully buggy in karmic (at least on
32bits machines).
<nose.result.TextTestResult run=2504 errors=1 failures=0> without sse.

I'm going to try with the sse version of atlas (sse not sse2...) to see
if it is as buggy as the sseé version.

Xavier


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