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OpenCV开了cuda加速，但是没有提升，会是什么原因呢？ #10

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cucrui opened this issue May 19, 2021 · 0 comments

cucrui commented May 19, 2021 •

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您好，opencv的cuda加速在yolact上很明显，大概有5倍的提升，但是在yolov5s上，几乎没有变化，想请教您可能是什么原因呢？非常感谢！

string modelFile = this->netname;
modelFile += ".onnx";
cout << "load modelFile : " << modelFile << endl; 
this->net = readNet(modelFile);
// 增加这两行用来加速 
this->net.setPreferableBackend(DNN_BACKEND_CUDA);
this->net.setPreferableTarget(DNN_TARGET_CUDA);

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