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Type: Posts; User: icepic1984

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    Re: OpenCL Bandwidth Testkernel

    Epic fail:



    double second= ((double)(end) - (double)(start))* 10e-9;


    must be:
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    OpenCL Bandwidth Testkernel

    Hi!

    At the moment i am trying to measure the bandwidth of global read/write operations of
    my gpu. I use this kernel:



    __kernel void bandwidth(__global float *idata,
    __global float...
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    Re: Strange problem wirting to image

    Hi!

    First of all thank you for your suggestions.

    @themilesman:
    That was one of the first things i have tried. Even i call ReadImage in blocking mode i thought
    i have to call clFinish too....
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    Re: Strange problem wirting to image

    Ok i just rewrite everything to get rid of qt and the opencl wrapper stuff. But it still does not work. Now i save the result from clEnqueueReadImage in a uchar buffer.
    Printing out this buffer you...
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    Strange problem wirting to image

    Hi!

    I have a strange problem here. I have a very simple kernel, each item writes a fix color(red) to a texture. I create a grid with the size of the image in the host application so i expect that...
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