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Type: Posts; User: insmvb00

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  1. Hi everybody, Nvidia confirmed me that the...

    Hi everybody,

    Nvidia confirmed me that the newest drivers r340.XX use an extra word of local memory for 'internal use'. So it is not a bug, but now I do not know if to updated or not the Nvidia...
  2. Bug in Nvidia Driver 340.X only for OpenCL???

    The newest drivers 340.X are wasting shared memory using OpenCL, I do not why. I'll show you an example (considering blocks of 128 threads)


    __kernel kernel(float* dummy)
    {
    __local double...
  3. Hi guys, I have the same problem. I have done...

    Hi guys,

    I have the same problem. I have done a test that goes perfectly with Nvidia OpenCL (Nvidia C2050 with origin = 0 and !=0), but when I use the AMD OpenCL (AMD 6970 with origin != 0) -- >...
  4. Thread: 2D Subbuffer

    by insmvb00
    Replies
    3
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    1,717

    Yes clint3112, you can update 2D regions of data...

    Yes clint3112, you can update 2D regions of data with *Rect methods. But if you need to launch a kernel only onto a subregion, I suspect that you cannot create a 2D subbuffer :-(
  5. Thread: 2D Subbuffer

    by insmvb00
    Replies
    3
    Views
    1,717

    2D Subbuffer

    Hi,

    I need to use OpenCL subbuffers but it seems that OpenCL does not allows to do 2D subbuffers?
    It only allows to do subbuffers with consecutive memory. Am I wrong?

    For instance,

    We...
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