* fix

* fix

* fix gather grad kernel diff

* fix gather grad kernel diff

* fix gather review bug

* fix softmax

* fix mean

* fix lookup_table_v2

* change transpose to transpose2

* fix bug

* rename npu op file

* fix reshape

* add topk op

* add cmake

* update topk npu op

* refactor func

* fix test not go npu TopKD bug

* NPUPlace(4) to NPUPlace(0)

* update comment
Co-authored-by: Noyjxer <1728722986@qq.com>

* add increment

* fix

* update test increment op inplace

* update increment op

* increment b = 2
Co-authored-by: Noyjxer <1728722986@qq.com>

* fix shape of dx

* refine code

* [npu] support npu kernel  for `expand`

* update unittest

* add TensorCopy in npu grad kernel

This reverts commit 468ac699.

* update mean op

* update mean op

* give a better test activation
Co-authored-by: Noyjxer <1728722986@qq.com>

* init

* fix bugs