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Open CL and multiple graphics cards

jason berge
Hi,
Does anyone know if C17 can use multiple graphics cards for Open CL rendering? I know some video rigs can do this (Red), I was thinking about chucking a few more cards in a MacPro to speed things up as C17 is such a pig compared to C16, speed wise. Features are great, but speed is a major step backwards, I had to go back to C1 6.4.5 for day to day work (Leaf AptusII5).

Jason.
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3 comments

Date Votes
  • Christian Gruner
    [quote="photo570" wrote:
    Hi,
    Does anyone know if C17 can use multiple graphics cards for Open CL rendering? I know some video rigs can do this (Red), I was thinking about chucking a few more cards in a MacPro to speed things up as C17 is such a pig compared to C16, speed wise. Features are great, but speed is a major step backwards, I had to go back to C1 6.4.5 for day to day work (Leaf AptusII5).

    Jason.

    CO can only use 1 card at the moment. It will probe and benchmark all cards in the machine, and then choose the fastest of those.
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  • jason berge
    That is disappointing, not only for my scenario, but also moving forward, this is probably something that you guys should look at, seeing as the new MacPros will come standard with two cards from now on, don't you think?

    Jason.
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  • Christian Gruner
    [quote="photo570" wrote:
    That is disappointing, not only for my scenario, but also moving forward, this is probably something that you guys should look at, seeing as the new MacPros will come standard with two cards from now on, don't you think?

    Jason.


    As I said, at the moment it is not supported. We are aware of the possibility, and will of course look more into it in the future.
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