* fix_nccl_barrier (#41970)

* be compatible with the old version of alltoall (#42007)
Co-authored-by: NBaibaifan <39549453+Baibaifan@users.noreply.github.com>

* update (#41636)

* fix bug for eager mode distributed training (#41841)
Co-authored-by: Nlilong12 <lilong12@baidu.com>

* [Phi&CustomOp] Remove deprecated enum PlaceType for custom op & add warning (#41647)

* remove old custom op placetype

* replace dist  placetype using

* add with gpu macro

* fix mutable_data error

* fix set value error

* add comment

* remove all is initialized using (#41766)

* remove inner_place using (#41768)

* polish tensor depreacted method warning (#41807)

* [CustomOp] Fix PlaceType related compat error (#41826)

* fix place type related compat error

* fix test failed

* remove dll decl

* revert place type change

* add dll decl

* resolve conflict

* replace Backend by Place in C++ API

* fix left code

* fix test_to_api bug

* Refine to_tensor for eager mode

* support gpu_pinned

* refine code

* support gpu_pinned copy_to

* fix layer.__setattr__

* support to_tensor for gpu_pinned

* fix unit test

* refine gpu_pinned

* restore the original code

* add is_gup_pinned() and refine eager.Tensor._copy_to()

* refactor reducer

* modify cmakelists

* solve conflicts

* rename group and update process_group

* fix bugs of ProcessGroupNCCL

* modify for CIs

* refactoring reducer

* add processgroup_nccl