Merge pull request !4360 from songhonglei413/roi

Merge pull request !4336 from pengyongrong/concat

Merge pull request !4354 from changzherui/mod_python_ut

Merge pull request !4380 from 徐永飞/master

Merge pull request !4319 from chengxb7532/master

Merge pull request !4321 from wuxuejian/format_padding_comment

Merge pull request !4352 from zhangbuxue/support_bool_tensor_and_bool_do_equal

Merge pull request !4375 from cjh9368/aware_quant

Merge pull request !3942 from yao_yf/embeddinglookup_wrap

Merge pull request !4371 from fuzhiye/tmp

2.Add fp16 cast

Merge pull request !4317 from ghzl/add-test-case

Merge pull request !4364 from cjh9368/aware_quant

Merge pull request !4215 from zhangxinfeng3/uncer

Merge pull request !4365 from peixu_ren/custom_bijector

Merge pull request !4278 from byweng/transform

Merge pull request !4359 from chujinjin/fix_layernorm_grad_error_in_pynative

Merge pull request !4248 from Giancarlo/pm_update_sparsetensor

Merge pull request !4329 from YuJianfeng/adam_assign

Merge pull request !2557 from huanghui/unsorted-segment-sum-fission-pass

Merge pull request !4340 from liubuyu/master

Merge pull request !4252 from tony_liu2/staging

remove headers

fix iterator file

fix pr comments

fix new file

Merge pull request !4315 from JonathanY/akg_ops

Merge pull request !4333 from wangmin0104/master

Merge pull request !4350 from zhaodezan/master

Merge pull request !4349 from chenjianping/lite_dev2

Merge pull request !4332 from yeyunpeng2020/master_time_profile

Merge pull request !4309 from lixian/master

Merge pull request !4320 from 徐安越/move_primitive_2

Merge pull request !4339 from baihuawei/0812

Merge pull request !4334 from chenjianping/lite_dev