[digiKam-users] Slow raw processing

[Gilles Caulier]

yes OpenMp is supported :Parallelized demosaicing: Yes

Try 7.2.0 beta2 appImage :

https://files.kde.org/digikam/

Best

Gilles Caulier

Le ven. 6 nov. 2020 à 12:14, Hans-Peter Huth <hans-ph at web.de> a écrit :
>
> On Fri, 6 Nov 2020 10:15:22 +0100
> Gilles Caulier <caulier.gilles at gmail.com>
> wrote:
>
> > Hi,
> >
> > Raw processing is delegate in digiKam to libraw (https://www.libraw.org)
> >
> > Libraw does not use video cards acceleration for compatibility and
> > stability purposes, but uses openmp to parallelize demosaicing
> > computation.
> >
> > openmp support is optional in libraw. If your digiKam is not compiled
> > with openmp dependency, demosaicing will be processed on one core.
> >
> > Check in Help/Components Info dialog in digiKam if openmp support is
> > enabled.
> >
>
> digikam says:
>
> digikam version 7.1.0
> CPU cores: 4
> Eigen: 3.3.8
> Exiv2: 0.27.3
> Exiv2 supports XMP metadata: Yes
> HEIF encoding support: Yes
> ImageMagick codecs: 7.0.10
> KF5: 5.75.0
> LensFun: 0.3.95-0
> LibCImg: 130
> LibJPEG: 80
> LibJasper: 2.0.19
> LibLCMS: 2100
> LibLqr support: Yes
> LibPGF: 7.19.03
> LibPNG: 1.6.37
> LibRaw: 0.20.0
> LibTIFF: 4.1.0
> Marble: 0.27.20
> Parallelized demosaicing: Yes
> Qt: 5.15.1
> Qt WebEngine support: Yes
> Rajce support: Yes
> VKontakte support: No
> AkonadiContact support: Yes
> Baloo support: Yes
> Calendar support: Yes
> DBus support: Yes
> Database backend: QSQLITE
> HTML Gallery support: Yes
> LibAVCodec: 58.91.100
> LibAVFormat: 58.45.100
> LibAVUtil: 56.51.100
> LibGphoto2: 2.5.26
> LibOpenCV: 4.5.0
> LibQtAV: 1.13.0
> Media player support: Yes
> Panorama support: Yes
>
> No OpenMP in the component info? But 'Parallelized demosaicing' and OpenCL
> support are there. Is this something i should report to the packager?
>
> I can't crosscheck with the digikam-7.1.0-x86-64.appimage (and one
> older appimmage) because it does not start ("unknown: Could not initialize
> GLX")
>
> HP
>
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