* init commit, add layer_norm npu kernel

* fix typo

* add unittest

* add unittest

* fix bug

* fix bug

* refine ut

Refactor HCCLCommContext to be compatible with Paddle (#31359)

* fix reading flags from env

* fix problem caused by async run

* support partial grad

* support elementwise_add_grad npu kernel

* add unittest

* fix bug?

add allreduce and broadcast without test

* support list of list attribute for NPU

* fix compile problem

* fix reference

* [NPU] Support npu op: (1) pow (2) pow_grad

* Support fp16

add ascend unittest

Ascendrc

refactor npu device manager (#31154)

* [NPU] Support executor with NPU

* Fix code according to reviews

* Fix code

* Add unittest for sub op npu

* support adding correct npu op in pybind.h

* refine code

Fix compilation problem (#31100)

* add npu sub op

* fix typo

* rename test

* fix bug

* fix bug

* add fp16 kernel

* fix typo

* support sub grad op

* support elementwise_sub_grad op
Co-authored-by: Nfrankwhzhang <frankwhzhang@126.com>

Fix reshape on GE graph

support parsing ascend rank table file

* support npu allocator

* add npu device context

* fix some compile problem

* fix some compile problem

* add npu info

* compile ok

* fix include dir

* support naive_best_fit_allocator

* run ut ok, bug failed to exit

* call aclrtResetDevice before exit

* fix aclFinilize

* add system allocatot test

* add selected_gpus in gtest

* add tensor_test for npu

* support npu op, initial commit

* add npu stream

* add elementwise_add_op

* compile ok

* fix typo

* fix elementwise_add_op_npu_test

* support op run

* test can run but failed

* change aclopExecuteV2 to aclopCompileAndExecute

[feature] support npu operator

[feature] support npu allocator

Destroy session first.

Add paddle ascend distribution training supported

Ascendrc add converted op : [range/equal/range/uniform_random/expand/squeeze], fix cast op bug  (#30797)

Ascendrc add converted op : [range/equal/range/uniform_random/expand/squeeze], fix cast op bug 

Merge ascend_optimizer and ascend_parser.

code style

Dev/fix ascend string

fix compilation on ascend-20.1

[Feature] Build parser to support distributed training

cleanup test_ascend_group.py

Add startup bash files of test_ascend_group

Add Hccl program group

Pass device_ids info from launch to trainer

Build praser for Hcom* operators

Add distribution supported

Fix compilcation on CANN20.1 and older