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Blender's AMDGPU-PRO OpenCL Performance Is Crazy Slow Compared To NVIDIA CUDA

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  • #21
    I believe you don't need CYCLES_OPENCL_SPLIT_KERNEL_TEST=1 on version 2.77, the split kernel is enabled by default.

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    • #22
      Originally posted by dungeon View Post
      You have all same results Michael there, so thats is CPU doing it...
      It's just too obvious.

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      • #23
        For those who dont know... lukasstockner97 is one of the developers of cycles.

        There also have been reports that the megakernel is working on the RX480, however the initial results have been underwhelming

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        • #24
          Originally posted by Osmodivs View Post
          Cycles is not the best program to benchmark OpenCl, the wiki page says so: https://wiki.blender.org/index.php/OpenCL For true OpenCL benchmark, try Luxrender's LuxMark, now there you will see AMD outperform Nvidia.
          Yes do it please, we need AMD to win and NVidia to loose.

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