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Type: Posts; User: giridhart

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    Releasing cl_event s

    Hi,

    I use a cl_event created by clEnqueueNDRangeKernel for profiling.
    Do I have to release this event by myself?

    Regards.
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    Section 8.2 Addressing mode and filtering

    Hi,
    I have a query about this section.
    The spec mentions it usees Manhattan distance for finding nearest neighbor but the formula used is floor(), which is not correct.

    Also for Linear...
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    Confusion with write_imagef()

    CL spec specifies that the color values for different types of channel orders as below.
    CL_R, CL_Rx (r, 0.0, 0.0, 1.0)
    CL_A (0.0, 0.0, 0.0, a)
    CL_RG, CL_RGx (r, g, 0.0, 1.0)
    CL_RA (r, 0.0,...
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    Re: Image functions

    Yes. I agree.
    Just checked on osx they are different.
    But NVIDIA drivers are usign same values.
    Thanks.
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    Image functions

    Could the value of CL_<val> be different from CLK_<val>?
    Ex:
    Are CLK_FLOAT and CL_FLOAT equal?

    Regards.
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    On conformance image tests

    Hi,

    While looking at image conformance tests I found there is option to test rounding.
    And a ramp signal is used for testing rounding.
    Could anyone explain what kind of rounding was it?

    Is...
  7. Thread: Device types

    by giridhart
    Replies
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    1,468

    Device types

    Can a device fall int to types of device?
    Can a device be of type CL_DEVICE_TYPE_ACCELERATOR and CL_DEVICE_GPU?
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    OpenCL system, device type

    In specification
    A device is defiend as below,

    Device: A device is a collection of compute units. A command-queue is used to queue
    commands to a device. Examples of commands include executing...
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    http://www.cs.umass.edu/~verts/cmpsci20 ......

    http://www.cs.umass.edu/~verts/cmpsci20 ... Tricks.pdf
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