* add host memory stats

* add ut

* review

* modify opcompat bug

* modify pybind

* [Dy2static-Fallback] add set_eval_frame function in pybind.
1. add set_eval_frame function in pybind.

* add unittest for eval frame hooker.

* [support py38]

* fix-GeneratorExit error in eval frame hooker

* support python == 3.9

* support 3.10

* fix some comments

* add rules

* modify no kernel yaml parse

* success op generate

* success test_silu_double

* modify bug

* modify static error

* modify silu_grad input

* modify kernel signature

* modify kernel signature

* code style

* code style

* review

* delete opinfo modify

* modify gradOpMaker

* modify gradOpMaker

* modify genarated-j2

* add approve rules

* modify aytograd_functional_static_test

* add flags for phi

* fix compile bugs

* fix ci bugs

* fix inference bugs

* fix cinn' bugs

* fix cinn bugs

* perfect code according comment

* fix ci bugs

* fix ci bugs

* [Opt Performance] Optimize custom operator performance, reconstruct python API auto-gen, add cache and use const inference

* opt AutoGradMeta implementation

* remove profiler codes

* fix unit test

* change year, 2021->2023

* fix int64_t parse bug

* rem is_compiled_with_npu

* rem nup related code

* make lint happy

* rem test

* remove some tests

* Update grad_scaler.py

* fix an error

* rem is_compiled_with_mlu

* fix some mlu_place and mlu_device_coount

* make lint happy

* Delete the /paddle/fluid/platform/device/npu directory

* clear Cmakelists

* Try removing npu in the header file

* [AMP] Add python API for collecting operator stats.

* Fix import and polish codes.

* Add more unittest.

* Add doc for the new APIs.

* [CustomOP Optional] CustomOP supports optional Tensor

* fix test_custom_concat, add pytest to CMakeLists

* remove init

* delete fluid in context pool

* fix custom op bugs

* fix profiler bugs

* fix ci bugs

* fix window compile bugs

* fix windows bugs

* fix window bugs

* move DeviceContextPool to phi

* add EmplaceExternalContextFunc

* update namespace

* update cmake

* fix bugs and create context_pool_impl.h

* replace platform::is_xxx_place

* fix bugs

* update generator

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix bugs

* fix enforce usage

* Revert "fix enforce usage"

This reverts commit 5f521f08a69713cee506e64a00ec6d9fba709e27.

* fix bugs

* rm XPUDeviceContext and CustomDeviceContext

* fix bugs

* fix fix context init bug

* fix bugs after merge

* fix bugs

* fix name

* fix mutable_data

* update and fix bugs

* fix bugs

* update

* fix bugs

* fix name

* fix bugs

* merge

* fix bugs

* create context_pool in phi/backends

* create context_pool in phi/backends

* fix bugs

* fix xpu bugs

* fix rocm bugs

* fix bugs

* fix bugs

* fix bugs

* fix xpu bugs

* update

* update

* fix bugs

* fix bugs

* fix attrs copy error

* fix bert by fix slice error

* fix op test

* [Extension Operants] Extension supports tensor operants

* Polish fluid init_tensor_operants

* add inferface of get registered phi kernels

* change KernelType to KernelKey

* add test

* refactor code

* move profiler

* fix compile bugs

* decouple_memory

* perfect memory utils

* fix ci bugs

* fix inference bugs

* fix custom test bugs

* fix converage bugs

* modify code according comment

* modify namespace

* deal with compile bugs

* refactor dir for prim

* support blacklist for bwd comp

* fix type error

* remove additional file

* fix git ignore

* add more test

* merge develop

【PRIM】Support use operator's output metadata info  in constructing static backward composite (#50043)

* [prim] support custom target_gradients

* support infershape after append one gradop

* [prim] add simple net test

* fix test_loop segment fault bug

* [prim] fix infer shape segment fault bug when output of grad_op_desc is empty

* polish static grad op maker gen

* fix some bugs

* fix static code gen

* solve conflict

* modify composite grad maker name

* integrate phi and fluid info in static code gen

* rename some composite maker

* modify static code gen format

* [CustomDevice] add custom device api

* update

* update

* test=document_fix

* update

* update

* add  examples

* change feed_op to phi kernel

* fix ci bugs

* fix build bugs

* fix ci bugs

* fix compile bugs

* fix ci bugs

* perfect code

* perfect comment code

* fix install bugs

* modify code according comment

* remove visitor in feed_op

* modify according comment

* perfect code according comment

* add infershape

* fix py3 bugs

* fix getexpected kernel type

* fix getexpected kernel type

* fix ci bugs

* add registry for custom device

* fix py3 bugs

* fix floating point error

* fix py3 test bugs

* update get_device to custom

* add custom_device api

* rm is_compiled_with_custom_device from framework

* add todo comments