Results 6 issues of Alobal

Hi, the ``relative_position_bias`` seems to be a constant index of ``self.relative_position_bias_table``, why should it be computed in forward() every time? For the code, why the following code can't be computed...

![image](https://user-images.githubusercontent.com/35487993/110240064-197e0800-7f85-11eb-969d-e7eb18f2d26a.png)

Hi, PCT used the Batch normalization, instead of the Layer normalization, used by original Transformer. I wonder how do you consider about Layer normalization and Batch normalization in PCT?

![image](https://user-images.githubusercontent.com/35487993/110234729-0fe5a780-7f67-11eb-889c-8b2e0afab7cf.png)

您好,由于我的设备性能问题,运行完整的PointLSTM会造成CUDA溢出。因此我想试试运行PointLSTM-PSS,但是没有找到具体的代码。 另外,如果方便的话,想问一下在batchsize=8的时候,PointLSTM实际需要多少GPU内存以及运行时间呢?

Hi, Thanks for your great work. Recently I use the construction code to process NTU60 dataset, but I don't know what the meaning of Seg_i and v_i , consequently I...