[SciPy-dev] simple UMFPACK wrapper added

Robert Cimrman cimrman3 at ntc.zcu.cz
Thu Dec 8 03:30:02 CST 2005


Travis Oliphant wrote:
> Robert Cimrman wrote:
> 
> 
>>I just added a simple swig-generated wrapper of UMFPACK sparse linear 
>>solver to the SciPy sandbox. It is very small and does not depend on any 
>>other package except scipy.base and scipy.sparse. Below you can find its 
>>performance compared with the current SuperLU-based implementation 
>>(scipy.sparse.solve()) on matrices corresponding to the Poisson equation 
>>(e.g. temperature distribution). The test script is included in the 
>>sandbox, too.
>>
>>The brave and interested  can test it, but first you will have to edit 
>>the setup.py (a very basic one, needs scipyfication), since the paths to 
>>umfpack and scipy are hardcoded.
>> 
>>
> 
> 
> This is great Robert. 
> 
> What is keeping us from replacing the SuperLU-based solver entirely?

I would say nothing except some more testing and documenting. :)

r.




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