* huuuuge update
* remove
* lint
* lint
* fix
* what happened to nccl
* update multi-gpu unsupervised graphsage example
* replace most of the dgl.mp.process with torch.mp.spawn
* update if condition for use_uva case
* update user guide
* address comments
* incorporating suggestions from @jermainewang
* oops
* fix tutorial to pass CI
* oops
* fix again
Co-authored-by: Xin Yao <xiny@nvidia.com>
* Use ==/!= to compare constant literals (str, bytes, int, float, tuple)
Avoid Syntax Warnings on Python >= 3.8
$ `python3`
```
>>> "" == ""
True
>>> "" is ""
<stdin>:1: SyntaxWarning: "is" with a literal. Did you mean "=="?
True
```
* Use ==/!= to compare constant literals (str, bytes, int, float, tuple)
* multi gpus training for mag240m
* remove unused function
* small changes
* more fix
* use multi gpus to eval and more fix
Co-authored-by: Quan Gan <coin2028@hotmail.com>
Hongzhi (Steve), Chen