What does OpenCL do and how do I use it in Capture One?

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4 comments

  • Nicolas Det

    Hello,

    Using MacOS 10.13.6 on MBP 2012 i7 13 Zoll, since CaptureOne Pro 20.1 (13.1.0.172) GPU acceleration does not work anymore.

    I applied this guide but did not help.. Any fix ?

    Export is a lot of slower using CPU.. Display slower too.

    Regards

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  • Paul O.

    Hello,

    I recommend to deactivate this option on computers with onboard graphics.

    On my computer  (Intel core i5 9500, Intel UHD630, CaptureOne 20 / 13.1.0.162) this option is active by default, it works without problems (jpeg export: 100% GPU Load, 40% CPU load), but slows down the process - CPU only performance is almost twice faster.

    Maybe a future update can provide some kind of Auto / Never / Best performance setting

    Regards

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  • Nicolas Det

    Hi!

    On my system, the GPU is about as fast as the CPU. So I do prefer to use the GPU as it freed the CPU to achieve other tasks.

     

    Regards

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  • Filip Van Wulpen

    Hi Capture One,

    I have a quite recent professional grade graphics card (Radeon Pro W5500) with a decent CPU (AMD Ryzen 3700X). Installation of Capture One is flawless as well as initialization of hardware acceleration. Preferences indicate hardware acceleration is being used. Also the recommended check using the Focus Mask confirms everything is fine.

    But when making adjustments by dragging a slider I get strange artefacts (looks like clipping of colors). I already tried the suggested approaches like clearing ImageCore folder, but without success.

    Any help is appreciated.

    Regards

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