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Type: Posts; User: arrghh

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  1. Re: low float precision - only on parts of the output data

    i think about algoritm again and it seems to me that the synchronization in algorithm is not needed - they are indeed multiple reads of the same buffer, but always for a given pair global_id and...
  2. low float precision - only on parts of the output data

    hello,

    I have a problem with low-precision of calculations - I try to do a one-dimensional FFT transform on matrix(using DFT matrix). Unfortunately, the FFT and IFFT results compared with the...
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    Re: stripes over output image

    if anyone's interested - the problem was the file 24bpp, with 32bpp everything works perfectly.
  4. Re: problems with clcreateimage2d - empty output file

    yes, it should pointing the tab :D . i've solved it already. now in dealing with another issue http://www.khronos.org/message_boards/viewtopic.php?f=37&t=2495
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    3,308

    stripes over output image

    i've decided to start new beginners thread because old one was in located inaccurate in 'technical discussions'.

    im trying to remove R and G color channel from 8bit/channel BMP file using image...
  6. Re: problems with clcreateimage2d - empty output file

    thank you for the reply. i've changed region size to {widht, height,1} and also add a few tweaks but still i cant solve my problem. now my output image is filled with random noise in 1/3 of height,...
  7. problems with clcreateimage2d - empty output file

    hello everyone,

    im trying to develop simple program (using clCreateImage2D and read/write_image) - read bmp from file, compute it in kernel (copy in this case) and then save to another bmp file....
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