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Enabling OpenCL acceleration for an iMac?

Boris Sheikman
Does anyone know if C1 supports the OpenCL acceleration available in an iMac? My mid-2011 iMac seems to have it available.



However, I cannot find "Hardware Acceleration" tab in my Preferences menu. ☹️ I wanted to try enabling it and seeing what my OpenCL Benchmark number is. Recent thread on the benchmark is here :



Does C1 only support certain GPUs for acceleration?

Thanks! 😊
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  • Jim_DK
    Current supported list is noted here:

    http://www.phaseone.com/en/search/artic ... nguageid=1
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  • Permanently deleted user
    [quote="Jim_DK" wrote:
    Current supported list is noted here:

    http://www.phaseone.com/en/search/artic ... nguageid=1


    At the bottom of this list is says :

    Recommended for best performance:

    NVIDIA: GTX TITAN Z, Geforce GTX780Ti
    AMD: Dual D700, HD7950

    is that recommendation for C1 8 or Only C1 7? Are they mac cards or windows cards? Does it matter which OS?
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  • sizzlingbadger
    I expect it applies v7 and v8 but hasn't been updated.
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  • Boris Sheikman
    Oye! This is a classic case of user/operator error. 🤭

    Yes, I found where the hardware acceleration is selectable. It is under the Preferences->General tab. The pull down menus are right in the middle of the screen. I was looking for a tab called "Hardware Acceleration" instead and missed this all together. Both pull down menu items are set to "Auto".

    I checked my CaptureOneICP.log file and here is what it reads :

    2015-02-10 08:04:55> Logging is now active.
    2015-02-10 08:04:56> OpenCL initialization...
    2015-02-10 08:04:56> OpenCL : found platform Apple, OpenCL Version : OpenCL 1.2 (Dec 14 2014 22:29:47)
    2015-02-10 08:04:57> OpenCL : Benchmark previously failed. OpenCL disabled

    I checked the article linked by Jim_DK and, unfortunately for me, my humble AMD Radeon 6770M chipset is not listed. ☹️

    Thankfully, my system runs fast enough for me. I was just hoping to squeeze out a little more horsepower from my computer. 😊
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