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Thread: error - clEnqueueNDRangeKernel( -52)

  1. #1

    error - clEnqueueNDRangeKernel( -52)

    Hello forum,

    I have just started with OpenCL and trying out with the basic matrix multiplication and while running i am having the following error:

    Code :
    Using platform vendor: NVIDIA Corporation
    ERROR: clEnqueueNDRangeKernel( -52)

    I am creating the context, device , queue and other necessary information needed before initializing the buffer, and i also believe that i am missing something in the process. A glimpse of it as follows:

    Code :
    const int ORDER = 1000;
          Ndim = ORDER;
          Mdim = ORDER;
          Pdim = ORDER;
          szA = Ndim * Pdim;
          szB = Pdim * Mdim;
          szC = Ndim * Mdim;
          //create the program queue
          CommandQueue queue(context,devices[0],0);

    Any hint to debug this issue will be very helpful.



  2. #2
    Senior Member
    Join Date
    Aug 2011

    Re: error - clEnqueueNDRangeKernel( -52)

    Look at CL/cl.h

    Error -52 is "invalid kernel args" - probably haven't set the kernel arguments properly.

    Also look at the man-page for enqueue kernel (search on-line for the function name), which will list when and why that error will be returned.

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