Le sam. 28 sept. 2019 à 00:59, Terry Duell <tdu...@iinet.net.au> a écrit :

> Hello All,
>
> On Fri, 27 Sep 2019 09:42:54 +1000, Terry Duell <tdu...@iinet.net.au>
> wrote:
>
> > Hello,
> > I've just built the current master (1886-ga2f84373b) on Fedora 30,
> using
> > my usual rpmbuild spec file, and find that it is very slow,far.
>
> Some more info that may help with this issue.
> I just downgraded to a build of dt that I made on 25 Sep, and performance
> is back to what I have been used to, so I am guessing that something
> changed in dt source since that version that impinges on performance, or
> something has changed on my system that has affected subsequent builds??
> I am unsure if there is a way to identity the specific version of the
> master that was used for my build on the 25th.
> Hope this helps.
>

Thanks for narrowing the search :-)
So, it may be the addition of extra wavelets scales, but that should only
make dt slower when in wavelets mode (and is necessary to denoise correctly
high iso images).
Or the commit that makes denoise profile non local means preview more
accurate. For this one, you should only see speed differences when zoomed
out, at 100% it should not make any difference. Anyway, I can try to make
it a bit faster again we zoomed out while trying not to lower preview
accuracy.

Cheers,
rawfiner


>
> Cheers,
> --
> Regards,
> Terry Duell
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