OpenCL performance in Mavericks with Intel graphics?

Discussion in 'OS X Mavericks (10.9)' started by radixi, Aug 8, 2013.

  1. macrumors newbie

    Joined:
    Aug 8, 2013
    #1
    Mavericks brings OpenCL support to Intel HD 4000 and 5000. Has anyone with such GPU tried Final Cut Pro X or other OpenCL compatible apps or benchmarks? Is there an increase in performance? It would be cool if Mavericks made MacBook Airs and 13 inch Pros better for video editing.
     
  2. thread starter macrumors newbie

    Joined:
    Aug 8, 2013
    #2
  3. macrumors 68040

    Joined:
    May 29, 2003
    #3
    Actually I was looking for verification that this was true.
    Obviously I haven't. However wouldn't software require an update to make use of the Intel OpenCL resources?
    Well better is relative. I've actually have held off buying hardware waiting to see what when and how OpenCL comes to Intel on Apples Mac OS/X. Without such support I might as well save dollars for a discrete GPU based machine.

    It is interesting though that Intel is doing so well with compute. Of course you really can't trust the site linked to so we have to wait for real world results.
     
  4. thread starter macrumors newbie

    Joined:
    Aug 8, 2013
    #4
    It is confirmed in the WWDC 2013 session called Working with OpenCL. Unfortunately it cannot be viewed on Apple's site without being a developer, but you can find it with Google.

    I don't know.

    In the WWDC session it is shown that with integrated GPU the data transfer times from host to OpenCL device and back are faster than with discrete GPU. On the other hand discrete GPU is faster at computing. This faster transfer time probably makes Intel integrated GPUs good at OpenCL.
     
  5. macrumors newbie

    Joined:
    Oct 23, 2013
    #5
    Which benchmark are you all looking at?

    I just downloaded luxmark.
    I have a macbook air with intel hd 5000 with mavericks.
     
  6. macrumors newbie

    Joined:
    Oct 23, 2013
    #6
    Hi all,

    Not done in any scientific way but here are the results running luxmark:
    Complex - gpu only - 75
    Complex - cpu + gpu - 153
    Medium - gpu only - 255
    Medium - cpu + gpu - 352
    Simple - gpu only - 1960
    Simple - cpu + gpu - 2251

    How do these compare to a retina macbook pro (last generation) with discrete graphics?
     

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