[Numpy-discussion] dot!=matrixmultiply bug when dotblas is present

Perry Greenfield perry at stsci.edu
Fri Oct 1 11:57:02 CDT 2004


On Oct 1, 2004, at 2:49 PM, Fernando Perez wrote:

> Alexander Schmolck schrieb:
>>> Pretty significant difference...
>> Yup, someone should incorporate optional atlas dot support into 
>> numarray if it
>> hasn't happened already (won't be me, IIRC it took some convincing to 
>> get this
>> into Numeric and I won't be using numarray for anything real in the 
>> near
>> future).
>
> I'll leave that question to the numarray guys, I have no idea where it 
> stands in terms of blas/atlas support.  I certainly hope it has it or 
> that this optimization can be brought in, as it makes a huge 
> difference for the large array case.
>
> Best,
>
> f
I'm not sure when it will get done, but we are working on the early 
stages of getting
scipy working with numarray. You should see visible signs of that 
within a month
(i.e., at least some parts of scipy working with numarray). It will 
probably take
months to finish though.

Perry





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