[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: fftw on cygwin

From: Paul Billings
Subject: RE: fftw on cygwin
Date: Wed, 10 Aug 2005 09:57:18 -1000

I believe a generic version of FFTW would suffice.  In contrast to ATLAS
which does extensive benchmarking at make/compile time, FFTW does run-time
measurements (or can load previously saved measurements or "wisdom").
Whatever instruction set that cygwin is generally targeting should be fine,
although I suppose you could have two versions: one for "barebones" and one
for SSE/SSE2 or whatever is appropriate (I forget the differences).  The
user would simply check one or the other in the cygwin setup application.


> -----Original Message-----
> From: James R. Phillips [mailto:address@hidden
> Sent: Tuesday, August 09, 2005 6:21 PM
> To: address@hidden
> Subject: RE: fftw on cygwin
> --- "Billings, Paul"
> > FFTW bundled would be a huge improvement for the casual user or more
> > importantly, the guy that is evaluating if he can abandon the Matlab
> > "maintenance" fees.
> Is it possible to compile a generic version that would work on any ia32
> processor?  Or will it by necessity use processor instruction set
> extensions in
> it's optimization process?
> > Packaging ATLAS as well would be fantastic.  I've seen some of the list
> > traffic about the difficulties in doing this.  Sure would be nice if it
> > could work, but I don't think it likely.
> >
> The Debian approach to packaging Atlas looked promising, but
> turned out to be
> too difficult to mimic. I include an option to build Atlas from
> source in the
> cygwin lapack package.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]