test_max_pooling_2d.py 文件源码

def check_backward(self, x_data, y_grad, use_cudnn=True):
        gradient_check.check_backward(
            functions.MaxPooling2D(
                3, stride=2, pad=1, cover_all=self.cover_all,
                use_cudnn=use_cudnn),
            x_data, y_grad, **self.check_backward_options)