* Copy QAT files from PaddleSlim

* Integrate QAT API into Paddle

* Replace eval function

* Reduce test_quant_aware run time

* Apply new formatter on modified files

* Remove code check for Paddle version check

* Copy quant_post_quant_aware UT from PaddleSlim

* Integrate test_quant_post_quant_aware UT into PaddlePaddle

* Apply new formatter on modified files

* Remove redundant code and add unittests

* Add new unittests

* Update the time limit of new unittests

* create phi so

* fix ci bugs

* fix py3 bugs

* add file

* fix py3 bugs

* fix windows bugs

* perfect so

* fix py3 bugs

* delete all static target in phi

* fix windows bugs

* fix py3 bugs

* fix ci bugs

* fix windows bugs

* fix bugs: gflags can't be linked by dynamic and static lib

* fix bugs that can not load 3rd party

* fix ci bugs

* fix compile bugs

* fix py3 bugs

* fix conflict

* fix xpu bugs

* fix mac compile bugs

* fix psgpu bugs

* fix inference failed

* deal with conflict

* fix LIBRARY_PATH bug

* fix windows bugs

* fix onednn error

* fix windows compile bugs

* fix windows compile bugs

* fix test_cuda_graph_static_mode_error aborted

* fix windows bugs

* fix mac-python3 error

* fix hip compile bugs

* change mode to static

* change to static mode

* fix ci bugs

* fix py3 bugs

* fix windows bugs

* fix bugs

* add static flag

* add PADDLE_API

* change position of PADDLE_API

* fix windows bugs

* change mode to dynamic lib

* fix windows static bugs

* deal with conflict

* fix windows unit bug

* fix coverage

* deal with conflict

* fix windows-inference

* fix py3 bugs

* fix bugs when compile type_info

* fix compile bugs

* fix py3 bugs

* fix windows bugs

* fix windows openblas

* fix xpu bugs

* fix enforce_test in windows

* update code according comment

* fix windows cmake bug

* fix windows bugs

* fix windows bugs

* delete cinn unittest

* fix cinn bugs

---------
Co-authored-by: lzydev <1528794076@qq.com>

* global view process_group

* fix import

* fix attr

* fix tunner init comm

* fix test error

* fix test_exectuor_feed_non_tensor

* fix test error

* [AMP OP&Test] Support float16 in selu

* fix

* Enable check_cinn on some tests

Tests: bitwise, compare, shape, assign_value, sum, expand_v2,
lookup_table, lookup_table_v2

* Enable more CINN tests

Tests with CINN: expand_v2, matmul, matmul_v2, mul, norm, one_hot_v2
Add target select in cinn_launch_op

* Revert test_mul_op

* Improve op unit tests

* add host memory stats

* add ut

* [CustomDevice] fix auto_paralell

* update

* update

* update

* fix processing logic of the arange function when dtype is empty.

* update commit version

* fix ValueError when end is None.

* add unitest for new case.

* fix tensor type.

* remove paddle.to_tensor(), add more test unit.

* remove useless line.

* fix enable_static

* add new test unit.

* fix by comment.

* [0D-Tensor] Support elementwise_add

* support elementwise_add ZeroDim2&3

* unify code

* remove useless code

* polish

* python/paddle/distributed/fleet/meta_parallel/pipeline_parallel.py

* polish

* polish

* [dygraph]unify _non_static_mode() in_dygraph_mode() and in_dynamic_mode()

* [dygraph]unify _non_static_mode() in_dygraph_mode() and in_dynamic_mode()

* [dygraph]unify _non_static_mode() in_dygraph_mode() and in_dynamic_mode()

* [dygraph]unify _non_static_mode() in_dygraph_mode() and in_dynamic_mode()

* [dygraph]unify _non_static_mode() in_dygraph_mode() and in_dynamic_mode()

* [dygraph]unify _non_static_mode() in_dygraph_mode() and in_dynamic_mode()

* fixed cyclic reference that caused patial import

* fixed bad change

* fix bad import

* fix bad import

* fix bad import

* fix ut failed caused by change in_dynamic_mode

* fix ut failed caused by change in_dynamic_mode

* fixed usage of in_dynamic_mode() or in_dygraph_mode()

* revert python3 to python in .pre-commit-config.yaml

* fix merge conflicts

* Add GPU kernel for multiclass_nms3 op

* Make multiclass_nms3 gpu kernel output consistent with cpu kernel

* Fix API incompatibility

* Fix unittests on builds without CUDA

* Fix ROCM build

* Remove fluid headers; Use default atol for unittest

* Change function and variable naming

* Add comments; Reduce redundant code

* Use paddle test framework

Print python trace back when debugmode = CHECK_NAN_INF_AND_ABORT  and backward has nan/inf  (#52808)

* add minimum grad composite rules

* add public python api

* fix format

* fix format

* update testcase

* fix testcase

* fix format

* fix cmakelist.txt

* fix format

* fix param problem

* fix op and composite rule

* fix bf16 cpu support problem

* fix bf16 cpu issue

* fix axis error log

* add axis for maximum

* revert commit

* remove .orig

* fix generic problem

* revert max op

* fix axis error

* fix maximum axis

* fix test_check_output

* fix cinn

* fix minimum maximum axis check

* Reorganize the forward codes of flash-attention.

* Fix forward.

* Remove some noused codes.

* Simplify codes and fix backward.

* Change all LOG(INFO) to VLOG and fix the backward.

* add scale for AF2 flash_attn, much thanks to xreki and shaojie for debug these codes

* decrease the effect of debug print on performance

* Unify the initialize of flashattn arguments.

* Rewirte the reshape of temp_mask and temp_bias.

* API support use_flash_attn.

* Fix compiling error on CI.

* Try to crop the flash-attention lib.

* Correct the condition of whether can use flash-attn.

* Remove the softmax_out argument.

* Remove is_causal.

* Polish codes.

* Fix qkv_transpose_out's shape and scaling of Q * K.

* Update commit of flash-attention.

---------
Co-authored-by: NLiu Yiqun <liuyiqun01@baidu.com>

* Add large dim test of log_softmax

* fix

* delete bf16 of cross entropy

* delete bf16 of cross entropy

* add meshgrid,expand_as, prod and grad bf16 kernel

* fix bf16 for optest

* modify code style

* fix amp test

* fix parameter not passed

* fix repr

* [CINN] Fix TestGelu unittest of CINN

* pass if_enable_cinn