Merge pull request !6905 from lixiachen/CacheOp_dev

Merge pull request !6832 from wanyiming/add_BCELoss

Merge pull request !7023 from HW_KK/master

Merge pull request !6018 from h.farahat/ms_nonsink_epochs

Merge pull request !6908 from XunDeng/not_impl_error

Merge pull request !6673 from huangxinjing/stage_strategy

Merge pull request !5300 from nhussain/slice_op

Merge pull request !6813 from cathwong/ckw_dataset_cleanup8

Merge pull request !6017 from ZiruiWu/per_batch_map_multi_col

Merge pull request !5930 from Jamie/CacheOp_dev

add string implementation, can handle partial string slices

finish core implementation, added Index object

fix up the logic

add in new SliceOption object, cleaning up tests

decided to use project after batch as well

per_batch_map 1->x colunm works

add more test case

add test cases, project after map

col order hahaah

fix ci

add test cases

addr review cmts

ci

fix build err

fix test case failure

ci

Merge pull request !6301 from nhussain/c_py_compose

Merge pull request !5875 from liuxiao93/IFMR-OpenSource-new-backend

Merge pull request !6644 from guozhijian/fix_testcase_slowly

Merge pull request !6761 from liangzelang/fix_isinstance_op_bug

Merge pull request !6548 from yihuaijie/dev

Merge pull request !6653 from chujinjin/fix_stream_sync_error_for_mixed_precision

(cherry picked from commit 17a5995e97)

Merge pull request !6651 from lijiaqi/init

Leaf ops do self-reset.

embed python compose op

add implicit compose op

more tests

Merge pull request !6505 from 张清华/master2

Merge pull request !6554 from jinyaohui/master

Merge pull request !6607 from ghzl/delete-SoftmaxCrossEntropyExpand

Merge pull request !6512 from shenwei41/sw_master

Merge pull request !6320 from vlne-v1/pynative_amp

Merge pull request !6545 from zhangbuxue/improve_the_recognition_of_Parameter_object_and_raise_error_when_convert_keywordarg_to_pydata

Merge pull request !6472 from yanghaitao/yht_celeba_get_dataset_size