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CUDA backend for DNN module requires CC 5.3 or higher

asked 2019-11-29 05:17:42 -0500

Vytau gravatar image

I have GeForce GTX 970 (guess that's 5.2 architecture). Does this mean I cannot compile opencv with CUDA support?

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You can compile OpenCV with CUDA support.You will have to disable the CUDA backend in the DNN module by unmarking OPENCV_DNN_CUDA in CMake.

Yashas gravatar imageYashas ( 2019-12-02 05:56:44 -0500 )edit

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answered 2019-11-29 06:03:06 -0500

updated 2019-12-04 07:24:03 -0500

You can compile with CUDA support by including -DCUDA_ARCH_BIN=X with X>=5.3, however you won't be able to run the resulting DNN CUDA binary unless your card has compute capability X.

It looks like it relies on half precision (I thought this was CC 6.0 and above), see this post by the author.

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Asked: 2019-11-29 05:17:42 -0500

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Last updated: Dec 04