Merge pull request !5144 from byweng/r0.7

Merge pull request !5126 from luoyang/son_r0.7

Merge pull request !5121 from Simson/push-to-r07

Merge pull request !5119 from hewei/r0.7_avoid_copy_tensor_numpy

Merge pull request !5115 from wanghua/r0.7

Merge pull request !5099 from caozhou/modify_r07

Merge pull request !5089 from linqingke/r0.7

Merge pull request !5072 from caojian05/ms_r0.7_googlenet_readme_update

Merge pull request !5116 from zhouyaqiang0/r0.7

Merge pull request !5054 from hexia/shape_wrong_r0.7

Merge pull request !5080 from lijiaqi/sgd

Merge pull request !5107 from yihuaijie/r0.7

Merge pull request !5083 from zyli2020/r0.7

Merge pull request !5090 from zichun_ye/r0.7_fix_custom_ops

update dtype for device

delete used funcs

Merge pull request !5068 from caozhou/resolve_fronted_display_r07

Merge pull request !5062 from VectorSL/r0.7

Merge pull request !5023 from zichun_ye/r0.7_bernoulli_fix

Merge pull request !5034 from zhangxinfeng3/r0.7

Merge pull request !5018 from gengdongjie/master

Merge pull request !5014 from hexia/from_r0.7

update threshold of softplus computation

support fp for bernoulli and geometric distribution

Merge pull request !5008 from wenchunjiang/adapte_to_resnet_second_optimize

Merge pull request !4805 from zhaizhiqiang/master

Merge pull request !5001 from sunsuodong/fixfp16

Merge pull request !4991 from yangruoqi713/conv_dw_lite

Merge pull request !4974 from ling/sr

Merge pull request !4986 from fuzhiye/tmp

Merge pull request !4913 from zhengjun10/master