Merge pull request !5088 from linqingke/mass

Merge pull request !5045 from yao_yf/wide_and_deep_eval_host_device

Merge pull request !5172 from riemann_penn/remove_name_args_from_gradoperation

Merge pull request !5196 from chengxb7532/master

Merge pull request !5112 from qujianwei/master

Merge pull request !5148 from zhaoting/master

Merge pull request !5135 from yangyongjie/master

Merge pull request !4933 from huangxinjing/wide-deep-checkpoint

Merge pull request !4799 from shibeiji/bert_accu_steps

Merge pull request !5100 from wangmin0104/master

Merge pull request !5012 from zhanke/gat_readme

Merge pull request !4907 from huangxinjing/wide-deep-readme

Merge pull request !5017 from yao_yf/wide_and_deep_no_internal_interface

Merge pull request !5060 from zhouyaqiang0/master

Change the default value of the parameter
Add datasink size.

Merge pull request !4981 from wanghua/master

Merge pull request !4947 from caojian05/ms_googlenet_readme_update

Merge pull request !4921 from chentingting/gcn_readme

Merge pull request !4982 from zhouyaqiang0/master

Merge pull request !4988 from wukesong/lenet-mkdify

Merge pull request !5016 from gengdongjie/master

Merge pull request !4931 from wukesong/add_shell

Merge pull request !4967 from zhaoting/readme

Merge pull request !4937 from ms_yan/vgg_format