GitLab

* add left normalizer for gcn

* fix

* fixes and some bug stuff

* add sparse and mutil gpu support

* update multi gpu

* update readme

* remove multi gpu

* add multiple gpus support
Co-authored-by: Quan (Andy) Gan <coin2028@hotmail.com>
Co-authored-by: Zihao Ye <expye@outlook.com>

* Update README.md

* Update

* Fix
Co-authored-by: Ubuntu <ubuntu@ip-172-31-1-5.us-west-2.compute.internal>

* Add an example for GATNE-T

* Update README.md

* Add links for datasets

* Update README.md with running results

* Update README.md

* Add comments

* Update main.py

* Remove node type name `user`
Co-authored-by: Da Zheng <zhengda1936@gmail.com>