[Bug 558061] Review Request: levmar - Levenberg-Marquardt nonlinear least squares optimization

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https://bugzilla.redhat.com/show_bug.cgi?id=558061

--- Comment #14 from Jussi Lehtola <jussi.lehtola@xxxxxx> 2010-01-28 16:32:11 EST ---
(In reply to comment #13)
> I'm reluctant to replace lapack with Atlas due to my lack of experience with
> the latter.  I'd rather stick with lapack for now, and consider switching to
> Atlas at some later date.  (I'll be more enthusiastic about switching if anyone
> using the Fedora levmar package requests the switch, and even more so if they
> try it and report that it works well and is noticably faster for their
> application.)

ATLAS is just another implementation of the same routines (and it actually uses
LAPACK itself for many things). For instance in Octave we have just changed to
ATLAS, which results in speedups of an order of magnitude or so. So there
really is a huge difference.

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