[Speex-dev] MKL Patch

Alexander Chemeris
Wed, 28 May 2008 03:52:37 -0000

On 5/28/08, Thorvald Natvig <thorvald at natvig.com>
wrote:
> Alexander Chemeris wrote:
> > On 5/27/08, Thorvald Natvig <thorvald at natvig.com> wrote:
> > >  And here's a patch for Intel Math Kernel Library. This
allows
> commercial
> > > users of Speex to use a high-speed FFT library that isn't
GPL'd. (You do
> > > need to pay for it though). This is 3 times faster than the
default FFT
> in
> > > speex, and also faster than FFTW3 since MKL has native support
for the
> > > complex packing Speex uses.
> > That's definitely cool, but from what I can see on this FAQ I do
need to pay
> > if I'm willing to use it for commercial purposes:
> > http://www.intel.com/cd/software/products/asmo-na/eng/266854.htm
> >
>  Yes, MKL is commercial software and you do need to pay for it, but unlike
> FFTW it's not GPL. FFTW is useless for any closed-source program that
wishes
> to use Speex, so this is the non-GPL alternative.

Sorry, misread you sentence, I thought you mean that you do not need
to pay for MKL, in spite of the fact it is non-GPL (that is like
freely distributed,
but closed). Now I see you meant different thing. :)

--
Regards,
Alexander Chemeris.

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