Enable Arch/Manjaro opencl-amd in darktable

Software darktable
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(made new account to unify usernames across various places I have accounts, previously @rtwx)

So I spent last night and this morning getting opencl support enabled in darktable; I added opencl-mesa from manjaro repo, but when I ran darktable -d opencl I got the following:

2020-12-05-181024_841x458_scrot
2020-12-05-181024_841x458_scrot841×458 9.32 KB

So… no good. worked out I needed ocl-icd by reading the Arch Wiki, but same result still.
I found some guides for adding the opencl bits from the amdgpu-pro package to the opensource driver in Ubuntu and Fedora, but not Manjaro.

I figured the AUR would be the answer, and eventually took a guess and installed opencl-amd and it worked!

Noticeable increase in speed, much closer to the speed of Lightroom on Windows. I usually process a few hundred images at a time from events, so loading time matters a lot to me. :smiley:

Here are the packages installed on my system for reference:

2020-12-05-181734_997x212_scrot
2020-12-05-181734_997x212_scrot997×212 4.84 KB

So yeah. Very happy now :grin:

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You could’ve just changed your user name…

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I couldn’t see a way to change it. Display name yes, but not login/username? oh well :laughing:

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https://blog.cryptomilk.org/2018/03/02/using-amd-open-source-and-the-amdgpu-pro-opencl-driver-for-image-processing/

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Voce pode usar o Rocm ou AMDGPU-PRO

ROCm

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Nice reference, thank you!

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@darix that is no longer required with the opencl package from the AUR it seems.