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Baiyuetribe avatar Baiyuetribe commented on July 25, 2024

发现NCNN版与yolox一样,只需搬运yolox的代码,然后在这行代码下面加上归一化就可以正常运行

    ncnn::copy_make_border(in, in_pad, 0, hpad, 0, wpad, ncnn::BORDER_CONSTANT, 114.f);
    const float norm_vals[3] = {1 / 255.f, 1 / 255.f, 1 / 255.f};
    in_pad.substract_mean_normalize(0, norm_vals);

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tututu11 avatar tututu11 commented on July 25, 2024

发现NCNN版与yolox一样,只需搬运yolox的代码,然后在这行代码下面加上归一化就可以正常运行

    ncnn::copy_make_border(in, in_pad, 0, hpad, 0, wpad, ncnn::BORDER_CONSTANT, 114.f);
    const float norm_vals[3] = {1 / 255.f, 1 / 255.f, 1 / 255.f};
    in_pad.substract_mean_normalize(0, norm_vals);

使用了ncnn,cpu占用非常高,是什么导致的呢

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Baiyuetribe avatar Baiyuetribe commented on July 25, 2024

还是该函数导致的,尤其是PC上,ncnn::copy_make_border调用了全部线程,导致CPU满负载。可以改成如下

    ncnn::Option opt;
    opt.num_threads = 1;
    ncnn::copy_make_border(in, in_pad, 0, hpad, 0, wpad, ncnn::BORDER_CONSTANT, 114.f, opt);

完整C++版可以参考这个ncnn-models

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