[Numpy-discussion] NumPy-Discussion OpenBLAS and dotblas

[Robert Kern]

On Tue, Aug 12, 2014 at 10:35 PM, Sturla Molden <sturla.molden at gmail.com> wrote:
> Ralf Gommers <ralf.gommers at gmail.com> wrote:
>
>> No. Numpy uses those libs when they're detected, but it falls back on its
>> own dot implementation if they're not found. From first bullet under
>> <a
>> href="http://scipy.org/scipylib/building/linux.html#generic-instructions:">http://scipy.org/scipylib/building/linux.html#generic-instructions:</a>
>> "BLAS
>> and LAPACK libraries (optional but strongly recommended for NumPy, required
>> for SciPy)".
>>
>> BLAS/LAPACK are heavy dependencies that often give problems, which is why
>> you don't want to require them for the casual user that only needs numpy
>> arrays to make some plots for examples.
>
> Maybe we are not talking about the same thing, but isn't blas_lite.c and
> lapack_lite.c more or less f2c'd versions of reference BLAS and reference
> LAPACK?

Not all of them, no. Just the routines that numpy itself uses. Hence, "lite".

-- 
Robert Kern