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Type: Posts; User: chanakya.sun

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  1. Replies
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    CPU + GPU processing of same image

    How to process an image using both CPU and GPU using OpenCL?

    Like using CPU to process the lower half of an image and the GPU to process the top.

    how to merge the buffers?
    Sharing of buffers...
  2. Replies
    3
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    1,369

    Re: Command Queue

    Dear David,

    I created the Commandqueue using "clCreateCommandQueue", the order of execution is default.
    Argument 2 is same memory object for all iterations, does that effect the execution.


    ...
  3. Replies
    3
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    1,369

    Command Queue

    Hi All,

    I have a scenario like shown in the following code
    The arguments of the kernel vary with the iterator


    for(Iterator = 0; Iterator < 20 ; Iterator++)
    {
    ...
  4. Replies
    7
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    1,666

    Copy Memory objects

    Hi,

    Does openCL have any methods in which data can be copied from one memory object to
    another memory object?

    Regards
  5. Thread: Basics

    by chanakya.sun
    Replies
    7
    Views
    1,799

    kernel limitaion

    Hi,

    Does opencl have any limitation on the amount of code that can go on a kernel?

    Regards
  6. How to pass complex structures to kernel?

    Hi,

    1) I have a small problem while copying the data to my kernel
    I need to pass the structures NODE_ab which is the node of a tree.
    I am confused on how to pass the tree to my kernel
    ...
  7. clCreateProgramWithSource returns CL_OUT_OF_HOST_MEMORY erro

    Hi,

    I used the API in the following manner
    program = clCreateProgramWithSource(context, 1,
    (const char **)&source_str, (const size_t *)&source_size, &ret);

    All the variables show valid...
  8. Thread: Basics

    by chanakya.sun
    Replies
    7
    Views
    1,799

    Basics few more

    Hi All

    i have few more queries

    1) how to achieve task parallelization? in the specification it is mentioned that Opencl supports task parallelization please provide any links or documents.
    ...
  9. Thread: Basics

    by chanakya.sun
    Replies
    7
    Views
    1,799

    Re: Basics

    [/quote]

    Install AMD's OpenCL SDK.

    My CPU is Intel i5 and other pc is Intel i7 will the AMD's SDK runs for Intel also.

    Thanks for the quick reply
  10. Thread: Basics

    by chanakya.sun
    Replies
    7
    Views
    1,799

    Basics

    Hi All,

    I am new to OpenCL and I have few doubts

    1) i used clGetDeviceIDs to get the device IDs of type CL_DEVICE_TYPE_CPU
    but did not get any IDs. I tried running on different PCs still...
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