[SciPy-user] matrix inversion time (Python vs MATLAB)

Michael Abshoff michael.abshoff@googlemail....
Sat Jan 10 06:58:37 CST 2009


Akshay Srinivasan wrote:
> 2009/1/10 Sturla Molden <sturla@molden.no>:
>>> On Sat, Jan 10, 2009 at 4:57 AM, Sturla Molden <sturla@molden.no> wrote:
>>> Numpy does not come with ATLAS: it uses whatever blas/lapack you have
>>> available. If you don't have any, numpy has an internal copy of a
>>> light lapack, which is not the fastest.
>> Ok. If I want to use ATLAS or MKL, must NumPy or SciPy be rebuilt? Or can
>> I just replace the DLL?
>>
>>
>>
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> 
> I don't think you need to rebuild Numpy or Scipy, if the dynamic
> libraries behave the same way - which I'm guessing is true.

Nope, the names are different and you cannot just switch them out. This 
also assumes you link dynamically which in many cases is not true.

Cheers,

Michael

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