Merge pull request !1766 from vlne-v1/I1J0M0-amp-do-auto-cast-failed

Merge pull request !1776 from fary86/fix_codex_06.01

Merge pull request !1697 from chenhaozhe/bert-optimization

Merge pull request !1726 from zhangzheng/simple

Merge pull request !1771 from yoonlee666/pretrain-eva

Merge pull request !1777 from BowenK/master

Merge pull request !1784 from SanjayChan/fakequant_bug_fix

Merge pull request !1739 from 王东旭/master

Merge pull request !1779 from Xiaoda/fix-some-codestyle-warnings-of-w

Merge pull request !1772 from sunsuodong/var_init

Merge pull request !1387 from zhaoting/SSD

Merge pull request !1759 from chenweifeng/dropout

Merge pull request !1714 from huanghui/SoftmaxGradExt-fussion-pass

Merge pull request !1635 from JesseKLee/doc

Merge pull request !1780 from zhaozhenlong/op/lstm-open

Merge pull request !1758 from fary86/fix_return_parameter_directly_in_net

Merge pull request !1763 from jiangjinsheng/issue_invert

Merge pull request !1762 from zhangbuxue/support_convert_bool_scalar_and_tensor_to_number_tensor

Merge pull request !1721 from yoonlee666/master-wenti

Merge pull request !1685 from Xiaoda/fix-the-embeddinglookup-bug

Merge pull request !1768 from ms_yan/format_and_type

Merge pull request !1750 from zhouneng/add_vm_support_for_expm1

Merge pull request !1757 from lihongkang/lhk_master

Merge pull request !1747 from SJN/master

Merge pull request !1723 from jiangjinsheng/vm_SoftmaxGradExt