* add eye npu op

* remove useless headers

* code style

* Update eye_op_npu.cc

* Update eye_op_npu.cc

* remove useless code in test file

* code style check

* change Copyright to 2021

* add test case and do some fix

* fix

* update code

* fix for CI

* return

* fix

* fix ut

* decrease gpu memory consumption

* remove exclusive

* [NPU] Support npu op: (1) cos (2) cos_grad

* Update test_cos_op_npu.py

* Update activation_op_npu.cc

* rm redundant {1}

* Add relu6 and relu6_grad npu op

* fixed pre-commit-config.yaml

* fixed for CI

* first test version

* add test exec;

* add data transfer; test=develop

* add new exec head;

* add memcpy; test=develop

* add python fetch

* add new test

* add graph node; test=develop

* remove useless new executor test; test=develop

* remove gperf dependency; test=develop

* fix compile bugs; test=develop

* remove useless code; test=develop

* remove useless code; test=develop

* add uni test; test=develop

* polish code; test=develop

* polish code; test=develop

* add interpreter cmakefile; test=develop

* remove useless code; test=develop

* integrated gast library

* integrated gast library

* fix unittest and remove ast2.py

* remove 'gast' from __all__ in __init__.py

* add copyright in other files

* fix copyright

* support bool dtype for paddle.sum

* Support Mixed Precision training in @to_static

* fix block.vars logic

* fix GPU training loss diff

* remove unused code

* add not_equal NPU op

* add not_equal NPU op

* add not_equal NPU op

* add not_equal NPU op

* fix bug of p2p for partial

* fix error

* revert commit id 34212

* fix paddle.optimizer test=document_fix

* fix paddle.optimizer test=document_fix

* fix bugs in paddle.nn.functional document test=document_fix

* fix bugs in paddle.nn.functional document test=document_fix

* fix bugs in paddle.nn.functional document test=document_fix

* fix bugs in paddle.nn.functional document test=document_fix

* add gradients_with_optimizer api

* modify gradients_with_optimizer

* add gradients_with_optimizer api into paddle.auto.backward_mode

* add gradients_with_optimizer test case

* add doc for gradients_with_optimizer

* add doc for gradients_with_optimizer

* [NPU] Support npu kernel for assign_value op

* move test_assign_value_op_npu.py into unittests/npu folder

* correce copyright year; add TestAssignApi class using NPUplace in test files

* add crop npu op

* code style check

* update code to remove usless headers

* add testcase and upsate code

* fix backward bug

* format code style

* add test case for grad tensor accumulator

* supplement the function of slice

* edit unittest

* strided_slice_op support .

* polish error message.

* polish error message.

* polish code.

* polish unittest.

* polish code.

* polish code

* polish error message.

* add layer segment

* add segement for transformer

* add utest

* support more dim for mul op npu

* update unit test according to reviewer's comment.

* support 1f1b for pipeline

* add utest

* add send_partial/recv_partial

* support amp for pp

* fix logger

* fix paddle.optimizer test=document_fix

* fix paddle.optimizer test=document_fix

* add basic APIs

* add attr_types

* follow comments

* change pass attr types

* add set pass attribute codes

* refine PADDLE_THROW

* test=develop

* update identity

* add unittest

* notest,test=mac_py3

* modify comment & testname

* test=document_fix

* update comment

* test=document_fix

* activate all of the CI

* [NPU] add reduce_max

* [NPU] delete skipIf

* [NPU] add atrrs support or check

* [NPU] add attr out_dtype

* [NPU] delete debug codes

The comment background message is too long, see details at https://github.com/PaddlePaddle/Paddle/pull/34521

* test version of matmul_v2

* added matmul_v2 grad kernel

* minor changes

* minor changes

* minor change for CI approval

* CI fix

* CI fix

* trigger CI

* changes after review, not working yet

* moved ops to anonymous namespaces

* changes after review