英文:
Deep learning on a computer without CUDA
问题
深度学习（DNN）在OpenCV中。如果您为后端和目标指定了CUDA，即使计算机上没有安装CUDA，也可以运行。但在这种情况下，它运行的是什么设置？
另外，我找不到获取当前设置的方法，如果有人知道，请告诉我。
net->setPreferableBackend(cv::dnn::DNN_BACKEND_CUDA);
net->setPreferableTarget(cv::dnn::DNN_TARGET_CUDA);
有了这个设置，即使在没有CUDA的计算机上也可以执行深度学习。为什么呢？
英文:
Deep Learning (DNN) in opencv If you specify CUDA for backend and target, It works even if CUDA is not installed on the PC, but in this case, what settings are it running?
Also, I couldn't find a way to get the current settings, so if anyone knows please let me know.
net->setPreferableBackend(cv::dnn::DNN_BACKEND_CUDA);
net->setPreferableTarget(cv::dnn::DNN_TARGET_CUDA);
With this setting, deep learning can be performed even on a computer without CUDA. why
答案1
得分: 0
Without CUDA, it falls back to the CPU backend, which is functionally the same but not as fast as the GPU.
英文:
Without CUDA it falls back to CPU back-end which is functionally same but not as fast as GPU.
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