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Type: Posts; User: mpatil2004

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  1. No improvement seen when moved to latest GPU which has more max_work_item_size

    Hi All,
    When i moved from a old GPU having 256 as max work item size to a new GPU having 512 as max work item size, there is no performance improvement seen.
    Even the local work group...
  2. Replies
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    1,014

    Thank you very much for your reply. I wanted one...

    Thank you very much for your reply. I wanted one more clarification regarding local memory usage.
    1) Inside the kernel, we have to load the local memory from global memory for each work item and...
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    1,014

    Regarding memory sections in openCL

    Hi,
    I just wanted to clarify below points related to memory sections in openCL. Please let me know if i am correct or not.
    1) The variables defined inside the kernel are stored in Private...
  4. Hi All, Thanks for spending your time and...

    Hi All,
    Thanks for spending your time and replying to my query. The problem is resolved now. The main reason as mentioned before was the usage of read_imageui without sampler which is not...
  5. Hi All, To some extent, problem is...

    Hi All,
    To some extent, problem is resolved. But facing few more issues. The issue was because i was using read_image/write_image in kernel with sampler less calls which are not supported on my...
  6. Inside kernel when i get the image through...

    Inside kernel when i get the image through read_image. After that can i use scalar operations on the (ARGB) values ? I want to use them as image.s0 to image.s3 and then use scalar operations on them...
  7. Yes all are returning successfully. But dont know...

    Yes all are returning successfully. But dont know why the values are zeros. Is the accessing in kernel correct ? -> test.s0, test.s1, test.s2 ?
  8. Thanks for your quick reply. I am not using any...

    Thanks for your quick reply. I am not using any sampler.
    channel data type is set to -> CL_SIGNED_INT8; channel order as CL_BGRA.
    for image description: image type as -> CL_MEM_OBJECT_IMAGE2D &...
  9. Not able to read the image using clcreateimage & read_imagei in OpenCL

    I want to use ClcreateImage to create the image mem object and then use read_imagei for reading the image in the kernel. But read_imagei is not reading and hence getting "0" values for all the...
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