Merge pull request !1923 from wenkai/wk1_cpu_summary_opt_0609

Merge pull request !1899 from zhaoting/ResNet50_st

Merge pull request !2141 from chengxb7532/cxb_st

Merge pull request !2088 from z00378171/master

Merge pull request !2051 from chenjianping/host_reduce

Merge pull request !1790 from lianliguang/remove-the-useless-transdata-connected-with-the-control-depend

Merge pull request !2010 from wangqiuliang/fix-tuple-to-array-issue

Merge pull request !2093 from VectorSL/argmaxwithvalue

Merge pull request !2052 from z00378171/master

Merge pull request !2009 from chentingting/gcn_modelzoo

Merge pull request !2021 from VectorSL/gpu-add-akg-kernel

Merge pull request !1994 from zhangyinxia/master

Merge pull request !1956 from z00378171/master

Merge pull request !1967 from zhangbuxue/check_arg_is_tensor_with_vm

support tensor slice using constexpr

remove tensorslice metagraph

add pynative testcases

2:fix normalize bug
3:add ci test3:add ci test3:add ci test

Merge pull request !1933 from yoonlee666/edit-example

Merge pull request !1888 from YuJianfeng/adam

Merge pull request !1946 from lichen/remove_autoparallel_st

Merge pull request !1873 from yanghaoran/master

Merge pull request !1905 from baihuawei/cpulstm

Merge pull request !1101 from chentingting/gcn

Merge pull request !1741 from wenkai/wk1_cpu_summary_0531

Merge pull request !1862 from jiangjinsheng/issue_doc

Merge pull request !1678 from jinyaohui/print