Merge pull request !2948 from amongo/FixControlFlow

add join for ref

adjust env eliminate to eliminate all env ops

add partial app cache

resolve while endless

fix env eliminate

support for "for while" cases

fix join shape error

Merge pull request !3769 from Alexey_Shevlyakov/ColorOp

Merge pull request !4402 from luoyang/c-api-pyfunc

Merge pull request !4418 from huanghui/unique-with-pad-cpu-kernel

Merge pull request !4322 from EricZ/bitmap_support

Merge pull request !4383 from genglishuai/genglshOK

Merge pull request !4366 from TinaMengtingZhang/cpp-api-repeat-count

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 !3819 from jiangzhiwen/jzw/c_api_clue

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

Merge pull request !3771 from cathwong/ckw_c_api_textfile_nosampler

Merge pull request !4268 from liubuyu/master

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 !3850 from islam_amin/randomaffine_op

Merge pull request !4250 from anthonyaje/fix_cpp_api_iterator

Merge pull request !3917 from luoyang/c-api

Merge pull request !3979 from MahdiRahmaniHanzaki/mixup

split into datasets

review fix

fix merge issues

fixed minddata lite build issues

Merge pull request !3944 from xiefangqi/md_new_api_CelebA