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Type: Posts; User: tweakoz

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  1. thoughts on optimizing my software rasterizer.

    I am currently doing a software rasterizer/renderer with OpenCL as the engine for the fragment shading stage.
    I eventually plan on moving as much as practical to OpenCL.
    In this list's opinion,...
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    Re: comparison of OpenCL implementations

    I do not have an extensive list, but here is what I do know from first hand experience.
    Apple's enumerates all devices present (CPU+GPU) so you can do true heterogeneous computation.
    The Windoze...
  3. Thread: float3?

    by tweakoz
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    Re: float3?

    One other thing I forgot to mention.
    If float3 were a built-in, and some hardware came out in the future that did natively support it,
    then the more descriptive nature of explicitly using a float3...
  4. Thread: float3?

    by tweakoz
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    Re: float3?

    If it uses a float4 behind the scenes that is fine with me, assuming performance is decent.
    But using float3 notation in an algorithm is specifically what I'm after.
    I just don't want to use an...
  5. Thread: float3?

    by tweakoz
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    float3?

    Are you serious, no float3 ?

    mtm
  6. Multiple Devices on NVIDIA sdk 2.3a and khronos DLL.

    Is there any way to get both my NVIDIA device and the CPU device using the current NVIDIA OpenCL sdk (or even the ATI sdk) and the khronos DLL?
    does the ICD work yet? who provides the CPU device ?...
  7. Thread: Hello List

    by tweakoz
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    Re: Hello List

    One more thing,
    you can resize the window to vary the fill.
    Please post results at at the biggest size you can (to amortize the readback)!

    Thanks,

    mtm
  8. Thread: Hello List

    by tweakoz
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    Re: Hello List

    I should mention, I am interested in the following values (for each device):

    FPS:
    MPPS:
    MSPS:
    CalcSize:
    GlobalSize:
    LocalSize:
    DeviceName:
    MaxFrq (Max core frequency)
  9. Thread: Hello List

    by tweakoz
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    Hello List

    Hello List,
    I just made my first OpenCL program (for Snow Leopard).
    It is not optimized yet!
    I suspect I am losing most of my performance on the ATI 4850 device from reading back to host memory....
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