Merge pull request !2066 from yihuaijie/master

Merge pull request !2007 from wangnan39/add_lazy_adam_optim_and_support_sparse_admm_for_cpu_backend

Merge pull request !1924 from liuxiao/ops-for-VM

Merge pull request !1958 from liuxiao/fix-for-issuse

Merge pull request !2054 from kisnwang/mix-target-check

Merge pull request !2042 from yanghaitao/yht_fix_api_document

Merge pull request !2043 from liubuyu/master

Merge pull request !2009 from chentingting/gcn_modelzoo

Merge pull request !1996 from huanghui/single-batchnorm-fission-pass

Merge pull request !1835 from yangjie159/quant_aware_train_develop

Merge pull request !1988 from yao_yf/fix_modelzoo_widedeep_run_multinup_train

Merge pull request !2040 from flywind/fix_pynative_bug

Merge pull request !2039 from VectorSL/refactor-datatype

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

Merge pull request !1985 from VectorSL/fix-akg-type-info

Merge pull request !2012 from limingqi107/master

Merge pull request !2002 from leopz/test_dump

Merge pull request !1994 from zhangyinxia/master

Merge pull request !2048 from Etone.Chan/June

Merge pull request !2032 from chenweifeng/codex

Merge pull request !1881 from zhangbuxue/fix_bug_of_auto-cast_when_there_is_scalar

Merge pull request !2044 from lichen/add_sparse_gatherv2

Merge pull request !1939 from lihongkang/lhk_master

Merge pull request !2036 from zyli2020/fix_code_review_warnings

Merge pull request !2038 from chujinjin/fix_pynative_sync_error

Merge pull request !1912 from dengwentao/cpu_op_sub

Merge pull request !2023 from zhaozhenlong/op/cosine-embedding-loss-open

Merge pull request !1999 from rick_sanchez/huangyong

Merge pull request !1922 from yanghaitao/yht_check_num_samples_sampler