The utilization of GPU is low in deep learning

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Lamya Mohammad 2020-2-29

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https://ww2.mathworks.cn/matlabcentral/answers/508256-the-utilization-of-gpu-is-low-in-deep-learning

评论： Joss Knight 2020-3-5

Hello, I’m using NVIDIA GeForce GTX 1080 Ti to run “single image super resolution network” code The utilization average for gpu was 25%, I added this code:

feature('GpuAllocPoolSizeKb', intmax('int32'));

And the utilization increased to 33%

Is there something more I can do to increase the utilization? Also, I don’t think MATLAB runs in the same speed of my GPU Note: my MATLAB version is R2019b, and I have student license

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回答（1 个）

Joss Knight 2020-3-3

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https://ww2.mathworks.cn/matlabcentral/answers/508256-the-utilization-of-gpu-is-low-in-deep-learning#answer_418173

Try following some of the advice in the following MATLAB Answer: https://uk.mathworks.com/matlabcentral/answers/463367-gpu-utilization-is-not-100

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Lamya Mohammad 2020-3-5

Thank you, I’ll try them for the next training. For the feature function, can I use it anywhere in the code?

Joss Knight 2020-3-5

You can use it anywhere as long as it is called after the first command that does something on the GPU in a MATLAB session, such as calling gpuDevice or creating a gpuArray.

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