* tmp gather vjp

* support gather

* remove useless code

* fix compiling error

* fix ut

* add eager test

* add eager test

* add seed

* small change

* fix cpu error

* fix transpose op compat

* remove tensor index case

* fix prim_cinn

* small commit

* add cumsum prim backward

* small commit

* skip aixs=None test case

* fix op generante eror

* fix static test error

* remove unused code

* fix static test error

* small commit

* skip cpu float16 test case

* skip eager cpu cumsum float16 test case

* add eager and static UT

* fix ut

* add composite backward rule

* fix error

* fix type error and format error

* add try cpu+float16 test

* fix test bugs

* remove test for cpu+float16 and make y[0] be the grad arg

* add cinn test

* fix UT

* fix the wrong dim of v in test cases

* change y[0] to y[1] for grad in UT

* reshape flatten out

* Disable cinn single test

* use scatter_nd_add

* modify the reshape part of topk_grad

* delete useless build file

* to make the syntax right

* modify bug

* try use of put_along_axis

* remove cinn test

* reformat todo

* add silu composite rule

* fix code style.

* add cinn test

* fix composite grad maker code gen

* add prim in cumsum op test

* remove old test

* fix typro

* pass the static test

* fix typro

* modify optest and delete old test files

* remove normal test_top_k_op test

* fix typro

* pass axis=None test case

* buffer comment

* for debug

* add silu fp16 unit test.

* add static guard

* remove forward prim test

* remove same name axis

* modify the test_top_v2_op.py to pass all local tests

* delete the useless testcase

* fix mistake

* add more testcases to test dtype16 and dtype32

---------
Co-authored-by: NJiabinYang <360788950@qq.com>
Co-authored-by: NGGBond8488 <857631483@qq.com>
Co-authored-by: Nzxcd <228587199@qq.com>
Co-authored-by: NCharles-hit <wanghao107@baidu.com>

* add cumsum prim backward

* skip aixs=None test case

* fix op generante eror

* fix static test error

* remove unused code

* fix static test error

* skip cpu float16 test case

* skip eager cpu cumsum float16 test case

* add cinn test

* reshape flatten out

* Disable cinn single test

* remove cinn test

* reformat todo

* add prim in cumsum op test

* remove old test

* fix typro

* fix typro

* fix typro

* pass axis=None test case

* remove forward prim test

* remove same name axis

* [Tensor Operants & Prim] Tensor pow API uses elementwise_pow

* unittest change to fill_constant+elementwise_pow

* support prim test in OpTest

* fix cmake

* fix op test

* fix test_input_spec

* disable cinn in reduce_sum unit test

* add bfloat16 dtype for sum

* add approve rules

* polish code

* add clear jit program function

* convert grad out from tensor to numpy

* remove unnecessary code

* add only_prim flag

* fix flag

* fix op test

* add attr

* fix optest comp inplace error

* fix op test

* fix op test with guard

* add initialization of check_comp flag

* fix comp inplace error in op test

* rename check_comp with check_prim and add bfloat16 dtype convert

* rename comp_op_type to prim_op_type

* rename comp to prim

* remove useless code

* skip ci check for only prim

* add no_grad_vars and grad_outputs in prim test

* fix var_dict

* fix op test for only_prim

* fix dy2static bugs

* polish some code

* temp

* modify op test

* except cinn test

* modify bfp16

* modify pad grad

* add pad_grad dtype

* start cinn part

---------
Co-authored-by: NCharles-hit <wanghao107@baidu.com>

* polish namespace

* change static_tensor_operants

* polish namespace

* support add, subtract, divide

* add unit test

* polish unittest

* fix cmake error

* solve conflicts, merge auto code-gen

* add scalar operator in tensor.h

* tensorbase

* static prim full support more datatype

* fix prim unittest

* polish codes

* fix cmake error

* tmp gather vjp

* support gather

* remove useless code

* fix compiling error

* fix ut

* add eager test

* add eager test

* add seed

* fix cpu error

* fix transpose op compat

* remove tensor index case

* fix prim_cinn

* fix ut

* support prim eager codegen

* support prim static codegen

* fix static header file

* polish code style, support arthmetic

* add subtract to yaml

* fix merge conflict