Geoff comments

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                                            Geoff

在代码中如何查看版本号？

> 1. C++ 接口 > > ```c++ > #include "platform.h" > #include > > int main() > { > printf("ncnn version: %s\n", NCNN_VERSION_STRING); > return 0; > } > ```...

How to compute the loss diff in negativemining op

@Seanlinx @dtivger Please, why is the gradient calculated like "cls_grad /= len(np.where(cls_keep == 1)[0]) bbox_grad /= len(np.where(bbox_keep == 1)[0])" in backward?

train PNet is so slow

Did you meet "Cannot find argument 'out_grad'" when using train_P_net.py?

the question about the way to generate train datas

Ok, I see, thanks.

> https://github.com/Tencent/ncnn/tree/master/tools/keras 建议使用 keras2ncnn 工具直接转换 Transpose 是 onnx 中间商加的胶水op 你好，如果是pytorch的该如何处理的，我pytorch网络最后将nchw使用permute转成nhwc, 转换成onnx，后转成ncnn，相同输入数据，推理发现有几个固定的位置，多次运行值不同，请问如何解决