1. Join Date
    Feb 2011
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    mmhardky is offline
    #1

    Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    i7 2600k @4,8GHz
    Asus P8P67 Pro
    dual GTX580
    8GB RAM

    Geekbench ~17000

    Ok, so I installed 10.7.3 with Unibeast 1.3 and then 5xx support from Multibeast 4.5.1 (userDSTD). Everything seems to work OK, but I'm getting very poor OpenCL performance. Just 204 fps. I think it should easily be 400+. Also, the bottom half of the benchmark window (the waves) flickers extremely while rendering! I don't know if this is normal...

    I then tried Official Nvidia GPU and CUDA drivers, modified AppleGraphicsPowerManagement.kext and changing SMbios to 12,2, but got the same score :(

    What is the best way nowadays to get the BEST out of a GTX580? I'm getting con used by the various (outdated) guides.

    Also, is there any other OpenCL benchmark I could run and compare results with you guys?

    Thanks very much!

  2. Join Date
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    kuwan is offline
    #2

    Re: Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    Quote Originally Posted by mmhardky
    Everything seems to work OK, but I'm getting very poor OpenCL performance. Just 204 fps. I think it should easily be 400+.
    As I've posted elsewhere I'm not convinced that the OpenCL enabler for GTX 5xx cards actually works properly. While technically it does enable OpenCL, the performance I've seen with my 550 Ti can only be described as terrible. And I've seen others report very poor OpenCL performance with GTX 5xx cards as well.

    I think that for most people, they just install the OpenCL enabler for GTX 5xx cards, check that OpenCL works and then they're done. I don't think any of them notice that their OpenCL performance actually really sucks. I've been trying just about everything to improve the OpenCL performance of my 550 Ti with no luck.

    I just don't think that OpenCL is really working properly for Fermi cards with the OpenCL enabler. I'd love to hear from GTX 5xx users that actually have good OpenCL performance.

    Cheers

  3. Join Date
    May 2011
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    aedon is offline
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    #3

    Re: Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    Download and install Luxmark 2 then run mid scene "sala" and post the results. I've got 965 on GTX470 and 1290 on GTX 580. Compare with this list: http://www.luxrender.net/luxmark/top/top20/Sala/GPU/1

    It seems that the LuxMark unlike Unigine ist CPU insensitive. Just swapped a Q6660 for a I7 - 2006k. I'm also running both systems as MacPro5,1.

  4. Join Date
    Jan 2011
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    psydafke is offline
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    #4

    Re: Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    I think it has to do with the 'fix' which lets OSX think all cards are OpenCL 1.1
    So you're not using the latest capabilities of your 580.
    I remember seeing a post about bin patching manually to other values... search is friend
    Only my thoughts...
    New System: GA-X79-UD5 / i7 3930K / Noctua NH-D14 / 4x4GB Kingston HyperX 2133 XMP / Adata 6Gb S511 120GB / PNY Quadro 4000 for Mac (OS 10.7.3)
    Old Stable system: GA-P35-DS3L / Q6600 @ 3Ghz / 8GB Kingston HyperX 1066 / WD Velociraptor 300GB / XFX Radeon HD 6870 (OS 10.7.3)
    Storage: Thecus N8900Pro 8x 2TB RAID6 (which gives me 12TB nett)

  5. Join Date
    Feb 2011
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    mmhardky is offline
    #5

    Re: Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    Here are my Luxmark 2 results:

    GPUs only:

    Complex (Room)> 1055
    Medium (Sala)> 2114
    Simple (Luxball)> 16069

    I don't know how this compares to other hackintoshes or real Mac Pro's

    But it's pretty erratic. I'm getting different results almost every time. Sometimes just 1/4 of the points....

  6. Join Date
    May 2011
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    aedon is offline
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    #6

    Re: Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    plz use only one gpu. you can deselect it in luxmark. compare your results yourself with the database: http://www.luxrender.net/luxmark/top/top20/Sala/GPU/1
    however opencl seems to be working

    Quote Originally Posted by mmhardky
    But it's pretty erratic. I'm getting different results almost every time. Sometimes just 1/4 of the points....
    Probably you have still issues with power management of your mobo.

  7. Join Date
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    mmhardky is offline
    #7

    Re: Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    I reinstalled 10.7.3.

    I'm getting 1055 with 1 gpu and 2110 with 2. The results are now consistent.

  8. Join Date
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    SoundFu is offline
    #8

    Re: Just 204 fps in Oceanwave (OpenCL) with dual GTX580 :(


    Sala Result: 1172
    luxmark_bench_gtx580_1.tiff

    Sala Result: 1160
    luxmark_gtx580_2.tiff

    Little bit of variation going on.

    MSI GTX580 TwinFrozrII

    OSX 7.3
    Attached Images Attached Images
    My Build: Asus P8Z68-V-Pro Gen3 (Bios 3203 modified)|-|Core i5 2500k @ 4Ghz|-|MSi GTX 580 Twin Frozr II 1.5GB|-|M-Audio Delta 1010 Soundcard|-|Windows 7 64bit + Lion 10.7.4 Dual Boot

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