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Thread: OpenCL vs. CUDA for NVIDIA GPGPU

  1. #1
    Junior Member
    Join Date
    Oct 2013
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    OpenCL vs. CUDA for NVIDIA GPGPU

    Hello,

    Is it true that CUDA code runs on NVIDIA GPGPU is much more efficient\fast
    compared to an OpenCL code (that does the same computations) that runs on the same GPGPU ?

    Thanks,
    Zvika

  2. #2
    Senior Member
    Join Date
    Oct 2012
    Posts
    165
    I don't think you can easily compare that. OpenCL code will be compiled to the same binary code as cude on an NVidia GPU. So it should be the same performance when you get your code tweaked correctly. There could be a better performance becaus of an easier integration into your sourcecode (compiletime in cuda vs runtime in openCL)

  3. #3
    Junior Member
    Join Date
    Oct 2013
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    22
    Hello clint3112,

    Thank you for your help !

    Zvika

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