* move segment_pool to phi.

* mark summed ids as optional tensor.

* fix as reviews.

* update. test=develop

* fix. test=develop

* fix. test=develop

* add the infer shape meta for the graph_send_recv

* move the infershape code to another file

* move argsort to phi

* refine files

* remove mutable_data

* fix unittest

* fix unittest

* remove infershape

* update infershape

* fix ci

* fix ci

* fix ci

* fix

* fix

* fix

* fix

* fix

* fix

* fix

* move arg min max to phi.

* move infermeta.

* fix as reviews.

* add tril_triu for xpu, *test=kunlun

* add tril_triu for xpu, *test=kunlun

* add tril_triu for xpu, *test=kunlun

* add tril_triu for xpu, *test=kunlun

* add tril_triu for xpu, *test=kunlun

* add trt.execute

* merge trt.engine type

* update return op

* update comments

* fix style

* fix style

* move dropout to phi; test=develop

* fix xpu, npu compile error; test=develop

* move viterbi to phi

* move infershape to phi

* update infershape

* fix

* resolve conflicts

* save code

* fix bug of set_value

* add coverage test

* support code auto-gene for sparse backward api

* fix bug of intermediate api and name of return var

* migrate eigh to phi

* optimize code

* modify code according to comment

* conflict resolution

* fix the full_like with fill the value of inf

* update the test case for the fill_any_like

* updae the comments for the full_like

* Add wait after Copy
* fix wrong place delete

Sparse conv3d backward(gpu)

* adapt run_program OP for eager

* fix program_id

* refine code

* fix test

* transfer the nll_loss_op and pass the CI

* push

* fix by self-review

* fix by cr

* add nll_loss

* fix code

* add mobilenetv3

* fix time of utest

* fix code style

* test=document_fix

* fix code style

* [Phi] Migrate linspace op

* [Phi] Migrate linspace op

* [Phi] Fix linspace op

* [PHI] rename data_tranform to data_type_transform

* [PHI] Fix DECLARE and PD

[optest]: fix transpose, support  different parameter name between python_api and KernelSignature. (#40258)

* optest: fix transpose

* fix

* update ipu UTs part1

* rename ut

* sync api changes

* update uts for new api

* update use_ipumodel()

* update use_ipumodel()

* split pr

* update ipu UTs part3

* rename uts

* sync api changes

* update uts for new api

* update use_ipumodel()

* split pr

* run document_preview when samplecodes be tested

* run document_preview when samplecodes be tested

* sphinx-build symbol link; and build-doc default

* FLUIDDOCDIR typo

* download the required configirations and some other scripts

* install required python packages.

* clone specified branch of docs repo, and if failed, clone the default branch

* clean workspace for docs repo

* use the conf.py imported by https://github.com/PaddlePaddle/docs/pull/4222/

* download and install the boscmd

* Optimaze the code comments.

* specify the pypi index server

* only do doc-build when running in cpu mode

* pull docs pr

git log

paddle_pr_info

* install jq

* force using sphinx-build under py3.7

* using our new domain name for preview

* install python package error

* don't build doc default