* add kernel functions

* update kernel functions

* update func parameters' name

* create codes for gpu device

* 调整文件位置

* fix include error

* remove dependent files to phi/

* restore fused_attention_op.cu

* fix dependence errors

* fix dependence errors

* fix include error

* fix all depandence errors[build success]

* remove useless include

* recover useless include

* use phi::ToNCCLDataType

* fix namespace

* update new register code

* fix error in fused_gemm_epilogue_utils

* fix error in FusedAttentionKernel parm

* finish fused_attention registe code[build success]

* add paddle::optional

* add sig file

* fix build error

* fix a include error

* update CMkaeList

* fix parameter sequence

* add include file

* update #if before include

* fix grammly error

* update codes for DropoutParam

* remove const cast

* trans some fluid api to phi api

* add #if

* update test code

* update test codes

* recover test codes

* trans fused_attention to fluid

* move #endif to end

* move #endif

* delete useless files

* use fused attention utils and recover random seed

* remove fluid include in phi

* 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

* register fp16 and bf16 kernel for uniform_random

* fix compile

* support selected_rows

* add ut

* revert cpu

* fp16 test skip cpu

* profile reduce kernel for fp16 and reduceHigherdim

* use reinterpret_cast

* fix for CI on ROCm

* add Macro for ROCm

* ROCm CI config

* ROCm CI config

* unit test repair

* pull

* add common_funcs.h

* reduceType

* Update reduce_function.h

* not higher

* rename

* refine reduce_all

* move "paddle/phi/backends/gpu/gpu_device_function.h" to phi

* update copyright years

* rm "fluid/platform/device/gpu/gpu_device_function.h" in phi

* fix rocm-complie bugs

* rm fluid gpu_launch_config

* fix type

* chnage dispatch to visit

* resolve conflict

* init commit no push

* collect comile errors

* bitwise UT

* fix compile problem

* cancel comments

* restore miss deletion

* fix compilation

* fix UT

* NO stash in multiple branch at the same times

* fix error

* combine .cu from gpu and kps

* replace gpu by kps

* fix by Chen-weihang

* Revert "Fix kps compile error in Junhui logic compare bitwise"

* fix backend test

* rm comments
Co-authored-by: NChen Weihang <chenweihang@baidu.com>

* limit grid dim for index select

* mv LimitGridDim into gpu_launch_config.h

* fix conflicts

* fix conflicts

* fix code style

* set block to 256

* fix grid setting

* set dtype of block_dim to unsigned int

* add maximum limit for grid of reduce, elementwise and gather

* add {} after if

* Replace PADDLE_WITH_XPU2 with PADDLE_WITH_KP

* remove storage deps of empty

* remove invalid empty method

* remove error empty using

* fix test_sparse_utils_dev_api

* revert some sparse change

* add memset for conv grad

* resolve conflict

* resolve conflict

* resolve conflict

* move reduce gpu impl funcs into pten/kernels/funcs

* change reduce header name and namespace

* fix spell word error

* change mutable_data to dev_ctx.Alloc

* modify place to devcontex

* format code style

* fix build error

* fix build error

* fix conflict

1. set xpu2 block_size = 64
2. fix a bug when reduce_num is too large

* rename pten dir to phi

* rename namespace to phi

* rename infrt pten dir to phi

* resolve conflict

* rename pten to phi in cmake

* revert all infrt change

* change needed files

* fix infrt failed

* fix inference failed

* Unify paddle/pten::framework::ddim into pten::ddim

* fix paddle namespace

* compile sucessfully

* fix npu src file

* fix conflict

* fix conflict

* fix tensorrt compiler error

* fix conflict

* fix conflict

* fix tesst file conflict

* fix conflict

* fix mlu file conflict

* fix mlu file conflict

* fix cinn header file conflict

* fix conflict

* fix conflict

* fix conflict

* fix conflict

* clean useless header in pten core

* fix compiled failed

* fix cmake target

* fix typo

* resolve conflict

* improve backward performance

* support different dtypes for elementwise ops

* fix pten reduce dispatch bug

* add cast beforce reduce

* fix test failed

* open header for custom kernel

* add core utils

* tidy core code

* tify header

* tidy include

* tidy namespace

* resolve conflit

* fix unittest and coverage

* remove platform using

* resolve conflict

* resolve conflict

* fix digamma namespace error

* fix xpu full kernel error

* fix xpu full kernel error

* polish details

* add place for lib storage

* move kernel_primitives

* use pten's errors

This reverts commit 9059ef69.

* transfer: string tinyformat errors and part of enforce into pten

* remove comment

* fix by code review

* assert is not compile in -DNDEBUG

* add string as dependences of paddle_inference