[darktable-user] Notice for NVIDIA users about kernel 5.9 (esp. for Arch/gentoo/etc. users)

[Ariel Kanterewicz]

Hi, all

I got bit by the GPL taint thing, so I'm here to warn others.
The TLDR is that NVIDIA's drivers don't work well with the latest kernel
(5.9) and OpenCL just plain disappears, so avoid it until they have it
sorted out.

Here's a writeup on the issue from phoronix for anyone interested in the
details:
https://www.phoronix.com/scan.php?page=news_item=NVIDIA-Linux-5.9-Delayed

Happy editing!
- Ariel


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Re: [darktable-user] Changeover to Linux

[Ariel Kanterewicz]

You should be able to import the RAWs with the XMP sidecards and get them
to work without issue, but there are some small things that depend on your
user data, like 3D LUTs or SVG watermarks (which are basically external
files in both cases), so careful with those.

On Tue, 20 Oct 2020 at 11:09, Peter Schlaufer  wrote:

> Hello to all
> As a user of macs since more than two decades I am now convinced, that I
> shall change the platform to Linux in the next future. I am aware that
> there are quite a few things to think of. Regarding darktable with a
> library of appprox 25’000 photos, which I moved from LR to dt only about a
> year ago, I am most concerned, that all the developments I did to the files
> will be available in the new setup and will not get lost. Is there a
> written process for such a procedure or can I simply import the files with
> their sidecarfiles into the knew machine based on Linux and all the things
> I did to these photos will  be there?
> Any advice I shall much appreciate, thank you
>
>
> kind regards
> Peter Schlaufer
> Landenbergstrasse 19
> CH-6005 Luzern
> pe...@schlaufer.ch
>
> 
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>


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Re: [darktable-user] Re: Article in progress about the future 2.6 release

[Ariel Kanterewicz]

Is anyone translating this to spanish? I don't thing I could do the whole
translation, but I'd be happy to collaborate with someone else on it.

On Fri, 28 Dec 2018 at 09:21, Maurizio Paglia  wrote:

> Hi Matthieu, hi all!
> The Italian transaltion of the article is ready and available here:
> 
> https://www.mauriziopaglia.it/darktable-2-6/
> <https://www.mauriziopaglia.it/darktable-2-6/?fbclid=IwAR2CnjmNpX_K2FsEZdPWfACVIrAYY2_cJuLglBIffYJ9WSdIgjpKCUlppHI>
> Since darktable GUI translation is not yet completed many terms could be
> updated during time.
> I gave full credits to authors and contributors.
> Enjoy!
> Maurizio
>
> Il giorno mer 12 dic 2018 alle ore 18:29 Matthieu Moy <
> matthieu@matthieu-moy.fr> ha scritto:
>
>> Cool :-)
>>
>> Do make feedback while translating, if you find something unclear, wrong
>> or incomplete!
>>
>> Cheers,
>>
>> --
>>
>> *From: *"Maurizio Paglia" 
>> *To: *"matthieu.moy" 
>> *Cc: *"darktable forum" 
>> *Sent: *Wednesday, December 12, 2018 4:34:00 PM
>> *Subject: *Re: Article in progress about the future 2.6 release
>>
>> Thanks Matthieu!
>> since dt developers have too much to do now for the 2.6 release, I think
>> I will translate it in Italian and publish on my personal blog.
>> In the future - if darktable.org could be enhanced with a multilingual
>> structure - the article could be moved there.
>>
>> Thanks,
>> Maurizio Paglia
>>
>>
>> Il giorno mer 12 dic 2018 alle ore 15:58 Matthieu Moy <
>> matthieu@matthieu-moy.fr> ha scritto:
>>
>>> "Matthieu Moy"  wrote:
>>>
>>> > Hi,
>>> >
>>> > I'm writing an article to document the new features of the future 2.6.
>>> Last
>>> > years I did the same kind of articles, but only in french. This year,
>>> I'm
>>> > starting with an English article and we'll translate it to french
>>> later.
>>> >
>>> > If you want to contribute, the draft is here:
>>> >
>>> > https://github.com/darktable-org/dtorg/pull/25
>>>
>>> FYI, the article is essentially finished (it probably needs a more
>>> polishing, but the content is essentially there).
>>>
>>> Reviews, comments, and translations into other languages are welcome.
>>>
>>> There's a french translation in preparation at
>>> https://linuxfr.org/redaction/news/darktable-2-6-0 (linuxfr.org account
>>> needed to access and edit the draft, it's free, and the final article will
>>> be available publicly).
>>>
>>> Regards,
>>>
>>> --
>>> Matthieu Moy
>>> https://matthieu-moy.fr/
>>>
>>
>>
>> --
>> Matthieu Moy
>> https://matthieu-moy.fr/
>>
>
> 
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> darktable-user+unsubscr...@lists.darktable.org
>


-- 
Ariel Kanterewicz
http://aknt.com.ar


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[darktable-user] Some useful scripts for file management

[Ariel Kanterewicz]

I did a couple of scripts that were useful to me, so I'm sharing them in
the hopes they're useful to someone else :-D

These work for me® on Arch Linux, but they use standard stuff so they
should work fine on nearly any linux that runs Darktable. one creates a new
folder in the SD card if needed, the other one adds a datestamp prefix to
RAW files.

https://github.com/asdkant/photo_scripts

-- 
Ariel Kanterewicz
http://aknt.com.ar


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Re: [darktable-user] darktable 2.4.0rc1 released

[Ariel Kanterewicz]

You were right, a clone from git master builds without issues.

the last commit in my clone was this one:
commit 4f4c80d87a45b032e495ec20f746a2595c75db19 (grafted, HEAD -> master,
origin/master, origin/HEAD)
Author: Tobias Ellinghaus <m...@houz.org>
Date:   Thu Dec 21 00:30:39 2017 +0100

~ Ariel

On Wed, Dec 20, 2017 at 8:27 PM Tobias Ellinghaus <m...@houz.org> wrote:

> Am Mittwoch, 20. Dezember 2017, 01:28:54 CET schrieb Ariel Kanterewicz:
> > I just made another attempt with rc2:
> > https://gist.github.com/asdkant/6b03b816fad9fbb9a296148188e52a37
>
> In the terminal output there is
>
> > /bin/sh: warning: setlocale: LC_ALL: cannot change locale (C.UTF-8)
>
> which indicates a known problem with dt on Arch. This is supposed to be
> fixed
> in git master, please try building from there to confirm that it's working.
>
> Thanks in advance
> Tobias


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Re: [darktable-user] darktable 2.4.0rc1 released

[Ariel Kanterewicz]

I just made another attempt with rc2:
https://gist.github.com/asdkant/6b03b816fad9fbb9a296148188e52a37

On Tue, Dec 19, 2017 at 5:53 AM Tobias Ellinghaus <m...@houz.org> wrote:

> Am Montag, 18. Dezember 2017, 18:08:15 CET schrieb Ariel Kanterewicz:
> > The CMakeError.log and CMakeOutput.log in that gist are the complete
> files,
> > created from a clean copy extracted from the release tarball. Which other
>
> Those files are in general not useful.
>
> > file should I share? (the output from the terminal after running the
> build
> > shell script is not helpful, I just get a "there was an error" message
> > without the specific error
>
> I'd still like to see it. I never saw any case where the error wasn't
> indicated in the terminal output.
>
> > On Sun, Dec 17, 2017 at 3:21 PM Tobias Ellinghaus <m...@houz.org> wrote:
> > > Am Samstag, 16. Dezember 2017, 23:44:52 CET schrieb Ariel Kanterewicz:
> > > > Is there some specific requirement for building this release on Arch
> > >
> > > Linux?
> > >
> > > > I keep getting a build error:
> > > > https://gist.github.com/asdkant/5c2810e57ae128b3fc8188ad8bc31739
> > > >
> > > > This also happened with rc1
> > >
> > > Please provide the full CMake output with a clean build/ directory and
> not
> > > just a short part of it.
> > >
> > > Tobias
> > >
> > > [...]
> >
> >
> 
> > darktable user mailing list
> > to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>
>


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Re: [darktable-user] Mr. Robot colour correction

[Ariel Kanterewicz]

If you're referring to the blue color grading, the easiest way is to play
with white balance and stuff that modifies the luma channel. Another
fancier alternative is the low light module:
http://www.darktable.org/usermanual/ch03s04s05.html.php#low_light

On Mon, Dec 18, 2017 at 12:22 PM Germano Massullo <
germano.massu...@gmail.com> wrote:

> How would you use darktable in order to get colour correction like in
> Mr. Robot TV series?
> Example https://twitter.com/bestofmrrobot/status/942213386749775873
> in particular, the second image
>
> 
> darktable user mailing list
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>
>


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Re: [darktable-user] darktable 2.4.0rc1 released

[Ariel Kanterewicz]

The CMakeError.log and CMakeOutput.log in that gist are the complete files,
created from a clean copy extracted from the release tarball. Which other
file should I share? (the output from the terminal after running the build
shell script is not helpful, I just get a "there was an error" message
without the specific error

On Sun, Dec 17, 2017 at 3:21 PM Tobias Ellinghaus <m...@houz.org> wrote:

> Am Samstag, 16. Dezember 2017, 23:44:52 CET schrieb Ariel Kanterewicz:
> > Is there some specific requirement for building this release on Arch
> Linux?
> > I keep getting a build error:
> > https://gist.github.com/asdkant/5c2810e57ae128b3fc8188ad8bc31739
> >
> > This also happened with rc1
>
> Please provide the full CMake output with a clean build/ directory and not
> just a short part of it.
>
> Tobias
>
> [...]


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Re: [darktable-user] darktable 2.4.0rc1 released

[Ariel Kanterewicz]

Is there some specific requirement for building this release on Arch Linux?
I keep getting a build error:
https://gist.github.com/asdkant/5c2810e57ae128b3fc8188ad8bc31739

This also happened with rc1

On Sat, Dec 16, 2017 at 5:36 AM  wrote:

> I find that with the haze removal module enabled, scrolling the
> temperature slider in the white balance module produces strange alternating
> jumps in what seems to be the area of effect of the former module. Can
> anyone else confirm this?
>
> --
> jys
>
> On Tue, Dec 12, 2017, at 02:02, Tobias Ellinghaus wrote:
> > we're proud to announce the second release candidate for the upcoming 2.4
> > series of darktable, 2.4.0rc1!
> >
> > the github release is here: [https://github.com/darktable-org/darktable/
> > releases/tag/release-2.4.0rc1](
> https://github.com/darktable-org/darktable/
> > releases/tag/release-2.4.0rc1).
> >
> > as always, please don't use the autogenerated tarball provided by
> github, but
> > only our tar.xz. the checksum is:
> >
> > ```
> > $ sha256sum darktable-2.4.0rc1.tar.xz
> > 2b38462584223a0f74f081dc025e1811b524f403d919734a1b8c15f7c87858ea
> > darktable-2.4.0rc1.tar.xz
> > $ sha256sum darktable-2.4.0rc1.dmg
> > ??? darktable-2.4.0rc1.dmg
> > $ sha256sum darktable-2.4.0rc1.exe
> > d576071f7052d61acf35d05184d5e12c2bdedcb1dce0159668022c2e46c6467d
> > darktable-2.4.0rc1.exe
> > ```
> >
> > The OSX DMG file should follow shortly.
> >
> >  Important note: to make sure that darktable can keep on supporting
> the
> > raw file format for your camera, *please* read [this post](https://
> > discuss.pixls.us/t/raw-samples-wanted/5420?u=lebedevri) on how/what raw
> > samples you can contribute to ensure that we have the *full* raw sample
> set
> > for your camera under CC0 license!
> >
> > ## changes since rc0
> >
> > - noise profile for Nikon D4
> > - Phase One IQ140 support
> > - OSX packaging fixes
> > - Lightroom 7 import fixes
> > - Some fixes for sliders and comboboxen and grabbing the keyboard focus
> > - No longer use colored sliders in the white balance module – they
> confused
> > people
> > - Update Catalan translation
> > - Update Hungarian translation
> > - Fix OpenCL on OSX
> > - Bail out of darktable-cli when the XMP file is not readable
> > - Fix timezone selection for geotagging on Windows
> > - Canon EOS M100 supported
> > - Show ratings on zoomable lighttable without a delay
> > - Rely on CUPS color management when printing without configuring any
> color
> > profile in darktable
> >
> > and the changelog as compared to 2.2.0 can be found below. Some of the
> fixes
> > might have been backported to the stable 2.2.x series already.
> >
> > - The maintainership of the RawSpeed library was transferred to the
> darktable
> > project. The work on code cleanup, hardening, modernization,
> simplification
> > and testing is ongoing.
> > - Well over 2 thousand commits to darktable+rawspeed since 2.2.0
> > - 244 pull requests handled
> > - 320+ issues closed
> > - Updated user manual is coming soon™
> >
> > ## Hell Froze Over
> >
> > - As you might have read on our [news post](
> https://www.darktable.org/2017/08/
> > darktable-for-windows/) we finally ported darktable to Windows and
> intend to
> > support it in the future. At the moment it's still lacking a few
> features (for
> > example there is not printing support), has a few limitations (tethering
> > requires special drivers to be installed) and comes with its own set of
> bugs.
> > But overall we are confident that it's quite usable already and hope you
> will
> > enjoy it. A very special thanks goes to Peter Budai who finally
> convinced us
> > to agree to the port and who did most of the work.
> >
> > ## The Big Ones
> >
> > - A new module for haze removal
> > - The local contrast module can now be pushed much further, it also got
> a new
> > local laplacian mode
> > - Add undo support for masks and more intelligent grouping of undo steps
> > - Blending now allows to display individual channels using false colors
> > - darktable now supports loading Fujifilm compressed RAFs
> > - darktable now supports loading floating point HDR DNGs as written by
> > HDRMERGE
> > - We also added channel specific blend modes for Lab and RGB color spaces
> > - The base curve module allows for more control of the exposure fusion
> feature
> > using the newly added bias slider
> > - The tonecurve module now supports auto colour adjustment in RGB
> > - Add absolute color input as an option to the color look up table module
> > - A new X-Trans demosaicing algorithm, Frequency Domain Chroma, was
> > implemented.
> > - You can now choose from pre-defined scheduling profiles for OpenCL
> > - Speaking of OpenCL, darktable now allows to force-use OpenCL for a
> specific
> > pixelpipe
> > - Xmp sidecar files are no longer written to disk when the content didn't
> > actually change. That mostly helps with network storage and backup
> systems
> > that use files' time stamps
> >
> 

Re: [darktable-user] Nvidia graphic card replacement

[Ariel Kanterewicz]

[export]
> [dev_pixelpipe] took 0,067 secs (0,247 CPU) processed `Farbkontrast' on
> CPU, blended on CPU [export]
> [dev_pixelpipe] took 0,324 secs (1,138 CPU) processed `Ausgabefarbprofil'
> on CPU, blended on CPU [export]
> [dev_pixelpipe] took 0,081 secs (0,304 CPU) processed `Gamma' on CPU,
> blended on CPU [export]
> [dev_process_export] pixel pipeline processing took 62,020 secs (222,290
> CPU)
> [export_job] exported to `test_04.jpg'
>
> Regards, Micha.
>
>
>
>
>
> Am Samstag, 9. Dezember 2017, 16:35:16 CET schrieb Ariel Kanterewicz:
>
> > Hi Micha,
>
> >
>
> > I have a 1050 Ti with 4GB of RAM, that's in a system with:
>
> > - cpu: ryzen 7 1700
>
> > - motherboard: X370 chipset (Gigabyte AX370-Gaming K7)
>
> > - RAM: 2 stickcs of 16GB DDR4 2400MHz (Crucial Ballistix Sport LT)
>
> >
>
> > And Darktable works fine for me, although I never used a 1060 here so I
>
> > don't have a context to compare. If point me to where the test image is I
>
> > can run the benchmarks.
>
> >
>
> > ~ Ariel
>
> >
>
> >
>
> > On Wed, Dec 6, 2017 at 10:54 AM Michael Fritze <michael.fri...@web.de>
>
> >
>
> > wrote:
>
> > > Hi Carlos,
>
> > >
>
> > > I'm building a new PC myself, but currently it's only the plan to do so
>
> > > ;-)
>
> > >
>
> > > However I would be interested if someone could test if the 1050 (Ti)
> is OK
>
> > > with current DT or if there is a major bug and 1060 is much
> better/faster.
>
> > >
>
> > > Micha.
>
> > >
>
> > > *Gesendet:* Mittwoch, 06. Dezember 2017 um 13:10 Uhr
>
> > > *Von:* "Carlos Arigós" <cari...@arnet.com.ar>
>
> > > *An:* "Remco Viëtor" <remco.vie...@wanadoo.fr>,
>
> > > darktable-user@lists.darktable.org
>
> > > *Betreff:* Re: Aw: Re: [darktable-user] Nvidia graphic card replacement
>
> > >
>
> > > I am building a new PC, little by little. So far, I have the cabinet,
>
> > > motherboard, micro, memory, and a watercooling system. The video card
> is
>
> > > pending.
>
> > > I'll leave the old PC as a 'muleto' ;-)
>
> > > For my way of working with Darktable, no more than one, or two photos
> per
>
> > > session, and a very simple edition, I do not need great performances.
>
> > >
>
> > >
>
> > > I think a 1050 will be enough advance compared to the 450.
>
> > > Thank you very much everyone for the help.
>
> > >
>
> > > Carlos
>
> > >
>
> > > El 06/12/17 a las 03:38, Remco Viëtor escribió:
>
> > >
>
> > > On mercredi 6 décembre 2017 07:22:18 CET Michael Fritze wrote:
>
> > >
>
> > > Carlos,
>
> > >
>
> > > please note that "Ti" versions are faster. With only 2D fans should be
>
> > > off.
>
> > >
>
> > > Passmark says 720 points for your old card, 3250 for a 1050 Ti, 2768
> for a
>
> > > 1050 non-Ti: https://www.videocardbenchmark.net/directCompute.html
>
> > >
>
> > > So faster anyway :-)
>
> > >
>
> > >
> https://www.phoronix.com/scan.php?page=article=darktable-opencl-gpu
>
> > > um=1 might be interesting as well. And there the 1050(TI) doesn't do
> that
>
> > > well, you'd have to go to at least a 1060 (which I did, and it works
> very
>
> > > well, even things like equalizer or profiled denoise are virtually
>
> > > instantanous)
>
> > >
>
> > > Remco
>
> > >
>
> > >
> __
>
> > > __ darktable user mailing list
>
> > > to unsubscribe send a mail to
>
> > > darktable-user+unsubscr...@lists.darktable.org
>
> > >
>
> > >
>
> > >
>
> > >
>
> > > --
>
> > > Carlos Arigóshttps://www.flickr.com/photos/chesterhimes/sets
>
> > >
>
> > >
>
> > >
> __
>
> > > __ darktable user mailing list to unsubscribe send a mail to
>
> > > darktable-user+unsubscr...@lists.darktable.org
>
> > >
>
> > >
> __
>
> > > __ darktable user mailing list to unsubscribe send a mail to
>
> > > darktable-user+unsubscr...@lists.darktable.org
>
> >
>
> >
> 
>
> > darktable user mailing list
>
> > to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>
>
>
>
>


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Re: Re: Re: [darktable-user] Nvidia graphic card replacement

[Ariel Kanterewicz]

Forgot to mention, I used an EOS 7D mk2 (20Mpix bayer sensor) until
recently, then I switched to a Fuji X-T2 and got an X100F too (both 24Mpix
X-Trans sensor)

On Sat, Dec 9, 2017 at 12:35 PM Ariel Kanterewicz <ar...@aknt.com.ar> wrote:

> Hi Micha,
>
> I have a 1050 Ti with 4GB of RAM, that's in a system with:
> - cpu: ryzen 7 1700
> - motherboard: X370 chipset (Gigabyte AX370-Gaming K7)
> - RAM: 2 stickcs of 16GB DDR4 2400MHz (Crucial Ballistix Sport LT)
>
> And Darktable works fine for me, although I never used a 1060 here so I
> don't have a context to compare. If point me to where the test image is I
> can run the benchmarks.
>
> ~ Ariel
>
>
> On Wed, Dec 6, 2017 at 10:54 AM Michael Fritze <michael.fri...@web.de>
> wrote:
>
>> Hi Carlos,
>>
>> I'm building a new PC myself, but currently it's only the plan to do so
>> ;-)
>>
>> However I would be interested if someone could test if the 1050 (Ti) is
>> OK with current DT or if there is a major bug and 1060 is much
>> better/faster.
>>
>> Micha.
>>
>> *Gesendet:* Mittwoch, 06. Dezember 2017 um 13:10 Uhr
>> *Von:* "Carlos Arigós" <cari...@arnet.com.ar>
>> *An:* "Remco Viëtor" <remco.vie...@wanadoo.fr>,
>> darktable-user@lists.darktable.org
>> *Betreff:* Re: Aw: Re: [darktable-user] Nvidia graphic card replacement
>>
>> I am building a new PC, little by little. So far, I have the cabinet,
>> motherboard, micro, memory, and a watercooling system. The video card is
>> pending.
>> I'll leave the old PC as a 'muleto' ;-)
>> For my way of working with Darktable, no more than one, or two photos per
>> session, and a very simple edition, I do not need great performances.
>>
>>
>> I think a 1050 will be enough advance compared to the 450.
>> Thank you very much everyone for the help.
>>
>> Carlos
>>
>> El 06/12/17 a las 03:38, Remco Viëtor escribió:
>>
>> On mercredi 6 décembre 2017 07:22:18 CET Michael Fritze wrote:
>>
>> Carlos,
>>
>> please note that "Ti" versions are faster. With only 2D fans should be off.
>>
>> Passmark says 720 points for your old card, 3250 for a 1050 Ti, 2768 for a
>> 1050 non-Ti: https://www.videocardbenchmark.net/directCompute.html
>>
>> So faster anyway :-)
>>
>> https://www.phoronix.com/scan.php?page=article=darktable-opencl-gpu=1
>> might be interesting as well. And there the 1050(TI) doesn't do that well,
>> you'd have to go to at least a 1060 (which I did, and it works very well, 
>> even
>> things like equalizer or profiled denoise are virtually instantanous)
>>
>> Remco
>>
>> 
>> darktable user mailing list
>> to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
>>
>>
>>
>>
>> --
>> Carlos Arigóshttps://www.flickr.com/photos/chesterhimes/sets
>>
>>
>> 
>> darktable user mailing list to unsubscribe send a mail to
>> darktable-user+unsubscr...@lists.darktable.org
>>
>> 
>> darktable user mailing list to unsubscribe send a mail to
>> darktable-user+unsubscr...@lists.darktable.org
>>
>


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Re: Re: Re: [darktable-user] Nvidia graphic card replacement

[Ariel Kanterewicz]

Hi Micha,

I have a 1050 Ti with 4GB of RAM, that's in a system with:
- cpu: ryzen 7 1700
- motherboard: X370 chipset (Gigabyte AX370-Gaming K7)
- RAM: 2 stickcs of 16GB DDR4 2400MHz (Crucial Ballistix Sport LT)

And Darktable works fine for me, although I never used a 1060 here so I
don't have a context to compare. If point me to where the test image is I
can run the benchmarks.

~ Ariel


On Wed, Dec 6, 2017 at 10:54 AM Michael Fritze 
wrote:

> Hi Carlos,
>
> I'm building a new PC myself, but currently it's only the plan to do so ;-)
>
> However I would be interested if someone could test if the 1050 (Ti) is OK
> with current DT or if there is a major bug and 1060 is much better/faster.
>
> Micha.
>
> *Gesendet:* Mittwoch, 06. Dezember 2017 um 13:10 Uhr
> *Von:* "Carlos Arigós" 
> *An:* "Remco Viëtor" ,
> darktable-user@lists.darktable.org
> *Betreff:* Re: Aw: Re: [darktable-user] Nvidia graphic card replacement
>
> I am building a new PC, little by little. So far, I have the cabinet,
> motherboard, micro, memory, and a watercooling system. The video card is
> pending.
> I'll leave the old PC as a 'muleto' ;-)
> For my way of working with Darktable, no more than one, or two photos per
> session, and a very simple edition, I do not need great performances.
>
>
> I think a 1050 will be enough advance compared to the 450.
> Thank you very much everyone for the help.
>
> Carlos
>
> El 06/12/17 a las 03:38, Remco Viëtor escribió:
>
> On mercredi 6 décembre 2017 07:22:18 CET Michael Fritze wrote:
>
> Carlos,
>
> please note that "Ti" versions are faster. With only 2D fans should be off.
>
> Passmark says 720 points for your old card, 3250 for a 1050 Ti, 2768 for a
> 1050 non-Ti: https://www.videocardbenchmark.net/directCompute.html
>
> So faster anyway :-)
>
> https://www.phoronix.com/scan.php?page=article=darktable-opencl-gpu=1
> might be interesting as well. And there the 1050(TI) doesn't do that well,
> you'd have to go to at least a 1060 (which I did, and it works very well, even
> things like equalizer or profiled denoise are virtually instantanous)
>
> Remco
>
> 
> darktable user mailing list
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>
>
>
>
> --
> Carlos Arigóshttps://www.flickr.com/photos/chesterhimes/sets
>
>
> 
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>
> 
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Re: [darktable-user] Cores or power per core?

[Ariel Kanterewicz]

You could maybe look at some benchmarks? Although what I think is more
important is the performance of the new CPU vs the GPU you plan to keep.
Another option is to upgrade the GPU and buy extra RAM for the main system,
if you only want DT to work faster (an SSD would help too).

I have a Phenom II X4 945 with lots of RAM (started with 8 GB, have 16 GB
now), I used to have a NVIDIA 460 and the switch to the Radeon 460 was a
change between night and day. The NVIDIA perofrmed more or less equal to
the CPU, the Radeon goes WAY faster than that. I even switched on the full
sample option on export, it's still way faster than before.

On Thu, Apr 6, 2017 at 6:50 AM Vasilis Yiannakos 
wrote:

> I am using Darktable on a 10-year-old-linux-based AMD Athlon X2 64, 8GB
> DDR2, GeForce GT 640 2GB RAM ram and it runs pretty usable, but I am
> considering a system upgrade, something with 8GB DDR3 and the same GPU. The
> question here is from which CPU would darktable benefit the most: AMD FX
> 8320 (8 cores), AMD A10 (4 cores) or maybe an Intel i3 (2 cores) (these are
> the top I can get at my budget).
>
> I know the question is somewhat simplified (each system has its
> bottleneck), but I need a first impression on what to focus : more cores,
> or more power per core for Darktable improvement?
>
> Thanks!
>
> Vasilis Yiannakos
> www.yiannakos.gr
>
> Sent with ProtonMail  Secure Email.
>
> 
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[darktable-user] How I got OpenCL to work with AMDGPU

[Ariel Kanterewicz]

Hi All,

I recently had to uninstall AMDGPU-PRO due to some packaging issues (I use
Arch, the others who use it will understand the details of this), and was
forced to use plain AMDGPU. the plain AMDGPU plays nicer with newer kernels
(I have 4.8.13 at the moment), but oepncl support is not as good as
AMDGPU-PRO.

I managed to solve this by installing this package from AUR:
https://aur.archlinux.org/packages/opencl-amd/

Now Darktable works with OpenCL as it was working with the full AMDGPU-PRO
driver.

The package basically installs de following libs in /usr/lib/, taking them
from the AMDGPU-PRO driver instead of the plain AMDGPU:

   - libamdocl64.so
   - libamdocl12cl64.so
   - libdrm_amdgpo.so.1
   - libdrm_amdgpo.so.1.0.0


I hope this is of help to other Radeon users =)


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Re: [darktable-user] Making a local colour change?

[Ariel Kanterewicz]

If you want to force a particular color, the "colorize" module will do.

On Wed, Sep 14, 2016 at 1:55 PM Colin Adams <colinpaulad...@gmail.com>
wrote:

> To make it explicit, if it wasn't already clear - I know what it should
> look like - I just need to change the two areas (I can draw a mask) to that
> particular colour.
> I just don't know what module I can use to easily do that.
> I looked at the modules in the color section, and didn't see one I thought
> I knew how to use.
>
> On Wed, 14 Sep 2016 at 17:50 Colin Adams <colinpaulad...@gmail.com> wrote:
>
>> I don't think it does.
>> Color reconstruction module uses surrounding colour. That won't work here.
>>
>> On Wed, 14 Sep 2016 at 17:35 Ariel Kanterewicz <ar...@aknt.com.ar> wrote:
>>
>>> You may want to look at this post from the blog:
>>> http://www.darktable.org/2015/03/color-reconstruction/
>>> It explains a solution for pretty much the same issue you have here.
>>>
>>> On Wed, Sep 14, 2016 at 4:54 AM Colin Adams <colinpaulad...@gmail.com>
>>> wrote:
>>>
>>>> I took this photo with flash:
>>>> https://www.dropbox.com/s/f6bmy554la7quho/132441800.jpg?dl=0
>>>>
>>>> and it is clearly overexposed in the foreground. Using the graduated
>>>> density module gives a very nice result, all except for the two large
>>>> yellow oval patches on the thorax - these should be a (yellowish) green.
>>>> The histogram for these areas shows that both the red and green
>>>> channels are blown out in these areas. But I guess I should be able to
>>>> alter the colour locally in some way (by reducing the red channel, and
>>>> maybe some of the green). What's the best module to use to do this?
>>>>
>>>> 
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>>>> darktable-user+unsubscr...@lists.darktable.org
>>>>
>>>


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Re: [darktable-user] Making a local colour change?

[Ariel Kanterewicz]

You may want to look at this post from the blog:
http://www.darktable.org/2015/03/color-reconstruction/
It explains a solution for pretty much the same issue you have here.

On Wed, Sep 14, 2016 at 4:54 AM Colin Adams 
wrote:

> I took this photo with flash:
> https://www.dropbox.com/s/f6bmy554la7quho/132441800.jpg?dl=0
>
> and it is clearly overexposed in the foreground. Using the graduated
> density module gives a very nice result, all except for the two large
> yellow oval patches on the thorax - these should be a (yellowish) green.
> The histogram for these areas shows that both the red and green channels
> are blown out in these areas. But I guess I should be able to alter the
> colour locally in some way (by reducing the red channel, and maybe some of
> the green). What's the best module to use to do this?
>
> 
> darktable user mailing list to unsubscribe send a mail to
> darktable-user+unsubscr...@lists.darktable.org
>


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