[Numpy-discussion] Dot product performance on python 2.6 (windows)

"V. Armando Solé" sole@esrf...
Fri Sep 11 04:22:28 CDT 2009


Sturla Molden wrote:
> V. Armando Solé skrev:
>   
>> In python 2.6:
>>
>>  >>>import numpy.core._dotblas as dotblas
>> ...
>> ImportError: No module named _dotblas
>>   
>>     
>
>  >>> import numpy.core._dotblas as dotblas
>  >>> dotblas.__file__
> 'C:\\Python26\\lib\\site-packages\\numpy\\core\\_dotblas.pyd'
>   

That's because you have installed either the sse2 or the sse3 versions.

As I said in my post, the problem affects the nosse version.

_dotblas.pyd is missing in the nosse version and that is a problem 
unless one forgets about supporting Pentium III and Socket A processors 
when developing code.

Armando



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