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Thread: can we update the table paralleley

  1. #1

    can we update the table paralleley

    can we update the table parallely by different cores ,where table is in global memory
    pls help
    thanks

  2. #2
    Senior Member
    Join Date
    Oct 2012
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    165

    Re: can we update the table paralleley

    Are you talking about parallel access to different barts of a buffer?
    That is only defined if you acces different buffer rects. Accessing the same parts of the table can lead to undefined behavior i think.

  3. #3

    Re: can we update the table paralleley

    rects.?

  4. #4
    Senior Member
    Join Date
    Oct 2012
    Posts
    165

    Re: can we update the table paralleley

    clEnqueueReadBufferRect
    Or you can use subbuffers

    Concurrent reading from, writing to and copying between both a buffer object and its sub-buffer
    object(s) is undefined. Concurrent reading from, writing to and copying between overlapping
    sub-buffer objects created with the same buffer object is undefined. Only reading from both a
    buffer object and its sub-buffer objects or reading from multiple overlapping sub-buffer objects
    is defined

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