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Now I use OpenCL with Intel Iris GPU to process image under Mac OS. Before I lunch the OpenCL kernel, I need know the GPU usage.
I wonder that whether there is the API that i can use in the program to query the GPU usage.
thx.
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Lucas,
Do you mean, you want to know how busy are the GPU execution units? You don't need to worry about that: OpenCL kernel will be placed into a queue and gets processed once GPU is ready for it. Otherwise, I am not aware of the APIs on MacOS that give you this info: please contact the Apple support.
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Robert I. (Intel) wrote:
Lucas,
Do you mean, you want to know how busy are the GPU execution units? You don't need to worry about that: OpenCL kernel will be placed into a queue and gets processed once GPU is ready for it. Otherwise, I am not aware of the APIs on MacOS that give you this info: please contact the Apple support.
Robert, thx.
I know what you said. I put OpenCL for real-time image processing. So if the GPU is busy, I will not launch the kernel to GPU, I will select CPU to process.
Anyway, thx .

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