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Type: Posts; User: pelangi15

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    Re: OpenCL tradeoffs with driver

    Thanks for the advice.

    I will try to modify the code based on that and probably go up 1 or 2 level of the function call.

    Will update if I have better profiling info.
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    Re: OpenCL tradeoffs with driver

    Hi David,

    I believe the answer is yes.
    I have embedded the OpenCL implementation into the application, so the implementation would be called each time an image frame is being processed.

    Is it...
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    OpenCL tradeoffs with driver

    Dear all,

    I would like to share some info that I have investigated for the past few days.
    In short, I find it tough to achieve speed up considering the tradeoffs.

    In cases of both OpenCL...
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    Re: Array initialization failed

    Hi David,

    Thanks for coming to the rescue again.

    So it means that I must think in terms of 1 byte (type char or unsigned char) transfer between the GPU and host, and adjust accordingly to the...
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    Array initialization failed

    Dear experts,

    I need some help and guidance of the following problem.

    I have created the following kernel code to initialize an array of 76800 elements to value of INT_MAX.
    const char...
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    Re: 2nd Output Array gives garbage!

    Thanks, man!
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    Re: 2nd Output Array gives garbage!

    Hi David,

    Thank you so much for your advice.

    I added the log to check the result of each call and everything is fine.
    The magical thing is just changing &l_worksize to NULL in...
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    Re: 2nd Output Array gives garbage!

    Thanks for your reply, David.

    I am currently using your proposed method after giving up to make the code posted work.
    I still can't understand why the code fails to work. I have seen sample codes...
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    2nd Output Array gives garbage!

    Hi,

    I am a newbie to OpenCL. I have been tasked to do some image processing stuff.
    Anyways, I am passing 2 sets of YUV data (left and right images of size 320 x 168) to a kernel function, which...
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