* [MLU] add mlu kernel for elementwise_max_grad

* [MLU] modify mlu kernel elementwise_min_grad impl

* fix for layer_norm

* minor fix

This reverts commit 1ec626b1.

* support more dimensions

* fix

* Support optional residual add in fused_attention and fused_feedforward.

* Add checkpoint and add the check of add_residual when pre_layer_norm is false.

* Add TODO and change the python api to add add_residual argument.

* [MLU]: add shape kernel

* [MLU]: set output from cpu to mlu in shape kernel

* Optimize prod's python implementation for dygraph.

* Change key_dim to head_dim.

* Add comment in unittest.

* Disable TF32 in unittest.

* Refactor port.h

* Remove some unnecessary code

* Fix CI errors

* [MLU]: add elementwise_max mlu kernel

* [MLU]: add int32 support for elementwise maxk MLU kernel

* change logic for optimize

* modifty

* optimize the backward speed of EinsumOp

* add cache optimizer for einsum op

* EinsumOp: fix new dygraph mode error

* fix bug

* change Cache->InnerCache

* fix code

* fix

* add nan inf utils for einsum op

* add as_extra

* memory optimizer for einsum

* update code

* cmake-lint

* update

Fix the bug of slice op and optimize the code style of generate_proposals_v2 op for kunlun. *test=kunlun (#43380)