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Thread: OpenCL Addition Example (Mac OS X 10.6 Snow *Leopard)

  1. #21
    Junior Member
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    Re: OpenCL Addition Example (Mac OS X 10.6 Snow *Leopard)

    Yes, that are excat that i could get compiled & run QJULIA & GALAXY & GRASS - at least on NVIDIA gpus.
    My screenshoot above showing QJULIA (Raytraycing qJuila).

    ATI Mac users (4850 / 4870) get freezes OS X or Errormessages for ProgrammBuild(OpenCL ATI part not even can compile the source for ATI, NV rocks!- not running on ATI 48XX !!!
    I thought OpenCL is NOT vendor specific ?!
    Why same Source (Host & Client) runs perfect on NVIDIA low end 9400M and not on highend ATI 4870 ?!
    It cant be that highend ATI 4870 has less hw features(for OpenCL) than the mobile! lowend Nvidia 9400M - or ?

    here Screenshoots for GALAXY & GRASS




  2. #22
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    Re: OpenCL Addition Example (Mac OS X 10.6 Snow *Leopard)

    Here some collected Mac OS X OpenCL Benchresults of the apps i told you:
    http://www.barefeats.com/opencl.html

  3. #23
    Junior Member yile's Avatar
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    Re: OpenCL Addition Example (Mac OS X 10.6 Snow *Leopard)

    Quote Originally Posted by mitchde
    Here some collected Mac OS X OpenCL Benchresults of the apps i told you:
    http://www.barefeats.com/opencl.html
    good page, thank you
    cclv

  4. #24
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    Re: OpenCL Addition Example (Mac OS X 10.6 Snow *Leopard)

    I got informations from ATI OpenCL OS X dev division (AMD Inc) that they aware of some major problems with ATI 48xx running OpenCL in 10.6.
    They will fix that , so it may be possible to get that fixes within the 10.6.1 update.

    Near none of the Apple OpenCL Demos can run.
    And even if they do (not crash, not freeze) they get poor performance compared to the Nvidia GPUs, which really
    run good in wide range from 9400M up to GTX 285 (8xxx also).

    So at least at this time (Mac OS X 10.6.0), OpenCL and ATI 48xx didnt work.

    I also share the compiled Displacement build (orig. Apple Demo Code)

    httl://rapidshare.com/files/27602330...ment_Bench.zip


  5. #25
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    Re: OpenCL Addition Example (Mac OS X 10.6 Snow *Leopard)

    Quote Originally Posted by Groovounet
    Niceeeeee!
    Does it even support the connection with OpenGL?
    yeap, i believe it does, though i hasn't tried yet..

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