Merge pull request !4215 from zhangxinfeng3/uncer

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

Merge pull request !4340 from liubuyu/master

remove headers

fix iterator file

fix pr comments

fix new file

Merge pull request !4315 from JonathanY/akg_ops

Merge pull request !3819 from jiangzhiwen/jzw/c_api_clue

Merge pull request !4265 from zhangbuxue/support_two_mstypes_do_equal

Merge pull request !3800 from baihuawei/multinomial-c

Merge pull request !4269 from fary86/change_export_interface

Merge pull request !4280 from wuxuejian/embedding_input_adapt

Merge pull request !4219 from huanghui/add-op-unique

Merge pull request !3771 from cathwong/ckw_c_api_textfile_nosampler

Merge pull request !4245 from nhussain/solarize

Merge pull request !3978 from Peilin/master

Merge pull request !4297 from guozhijian/code_sync_incubator_f3c32baf_to_master_fcfc75a3_0811

Merge pull request !4289 from xiefangqi/fix_pad_validate

Merge pull request !4258 from leopz/fix_doc

Merge pull request !4268 from liubuyu/master

Merge pull request !3874 from qianlong21st/soft_dvpp

Merge pull request !4255 from lianliguang/unify-primitive

Merge pull request !4226 from ZPaC/master-add-gpu-div-kernel

Merge pull request !4249 from XunDeng/pp_poc_v3

Merge pull request !4021 from XunDeng/scalar_affine_softplus

Merge pull request !4197 from YuJianfeng/adam_assign

Merge pull request !4220 from liyong126/minddataset_pk_num_samples

Merge pull request !4247 from 章一智/channel_swap_op

Merge pull request !4048 from linqingke/new_ops

Merge pull request !3850 from islam_amin/randomaffine_op