* Add the new XDNN implementation. test=kunlun

* Add the new XDNN implementation. test=kunlun

* Modify the code based on review, test=kunlun

* move sigmoid cross entopy with logits to phi

* fix ci

* move log_loss to phi

* move cumsum to phi

* revert infershape

* fix xpu ci

* move auc to phi

* remove comment

* update sigmoid_cross_entropy_with_logits_op.cu

* update sigmoid_cross_entropy_with_logits_op

* Update log_loss

* polish error message,test=kunlun

* polish error,test=kunlun

* polish error,test=kunlun

* polish error,test=kunlun

* add dropout,log_loss, test=kunlun
* fix dropout, test=kunlun
* polish error message, test=kunlun
* change boost::get to BOOST_GET_CONST, test=kunlun
* fix copyright, test=kunlun