No one shows interest on this. OK, I have found some articles about Pytorch Internals about TensorIterator:


https://labs.quansight.org/blog/2020/04/pytorch-tensoriterator-internals/ 2
If you can read contents written in Chinese, you can also refer:

https://zhuanlan.zhihu.com/p/129778637 1
This is super useful to help yourself understand details about TensorIterator.
I still have some confusions. If you are also interested in this, please contact with me. I am glad to have discussions with you to help us each other to understand this completely. Thanks.