* merge legacy to fluid

* Remove legacy code

* Remove legacy code

* Remove DataType test

* Using Tensor directly instead of using EagerTensor

* support gradient_accumulation

* make test_imperative_lod_tensor_to_selected_rows longer

* make test_imperative_lod_tensor_to_selected_rows longer

* implement AllocateFrom

* dense_to_sparse_coo

* optimize unit testing; support rocm

* 1. delete fluid related header file
2. update the copyright

* fix hipMemcpy

* update dense_to_sparsecoo

* add namespace sparse

* sparse_csr_to_dense

* test to_sparse_coo: csr_to_coo

* fix writing error

* to_sparse_csr: dense_to_sparse_csr and sparse_coo_to_csr

* fix check shape

* fix unit test

* to_dense: sparse_coo_to_dense, sparse_csr_to_dense

* replace CUDADeviceContext by GPUContext

* add trace op

* bug fix

* bug fix; test=develop

* thrust bug fix; test=develop

* remove useless register; test=develop

* fix bug; test=develop

* update trace kernel; test=develop

* move kernel args to trace_sig; test=develop

* fix slice bug of cusstom op

* add offset in check

* update basic infrastructure; support string,  suport vecotr<int>, add tensor args type index; test=develop

* remove useless code; test=develop

* fix bug; test=develop

* polish code; test=develop

* implement AllocateFrom

* dense_to_sparse_coo

* optimize unit testing; support rocm

* 1. delete fluid related header file
2. update the copyright

* fix hipMemcpy

* update dense_to_sparsecoo

* add namespace sparse

* sparse_csr_to_dense

* test to_sparse_coo: csr_to_coo

* fix writing error

* to_sparse_csr: dense_to_sparse_csr and sparse_coo_to_csr

* fix check shape

* fix unit test

* replace CUDADeviceContext by GPUContext

* add norm cpu

* update code;

* norm bug fix

* move norm op to pten; test=develop

* move norm op to pten; test=develop

* add norm util; test=develop

* fix norm npu bug; test=develop

* fix norm kernel bug; test=develop

* move kernel args to pten; test=develop

* move kernel args to pten sig; test=develop

* add more int id type support for embedding

* add ut

* add more ut

* fix ci error

* add fuse_relu_depthwise_conv_pass unittest

* fix atol and rtol

* fix according to review

* Add FuseOptimizerPass and fuse_adam_pass unittest

* add sgd and momentum unittest

* add fuse_optimizer_pass

* close amp

* close amp

* update

* fix run on two cards

* Update test_dist_fuse_adam_pass.py

* Update test_dist_fuse_momentum_pass.py

* Update test_dist_fuse_sgd_pass.py

* Create test_dist_fuse_sgd_pass.py

* Create test_dist_fuse_sgd_pass.py

* Create test_dist_fuse_sgd_pass.py

* Update test_dist_fuse_adam_pass.py

* Update test_dist_fuse_momentum_pass.py

* Update test_dist_fuse_sgd_pass.py

* Fix quantization next op findings

* Corrections according to the review

* - 38126 potential fix

* - fix

* - build fix

* - another candidate fix

* - compilation fix

* - another fix

* - Fix to activation of NHWC being first oneDNN op in chain on oneDNN ops

* - compilation fix

* - added NHWC reotating for elementwise being first op

* - compilation fix

* - compilation fix

* - Added UT

* - cosmetic fixes

* find gpu kernel in pten factory; test=develop

* check in functional kernel first; test=develop

* delete gloo connect retry

* the_one_ps dirs reconstruct

* .

* .

* create the_one_ps dirs

* create the_one_ps dirs

* create the_one_ps dirs

* create the_one_ps dirs

* create the_one_ps dirs

* create the_one_ps dirs

* the one ps dirs modify

* the one ps dirs modify

* the one ps dirs modify

* the one ps dirs modify

* refactor ps optimize

* refactor ps optimize

* refactor ps optimize

* .

* .

* .

* .

* .

* .

* refactor theoneps

* the_one_ps

* add ps pass unittest

* add ps pass unittest

* ps unitest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* ps unittest frame

* add cpu_async_ps_mode test

* add cpu_async_ps_mode test

* add cpu_async_ps_mode test

* ps unittest ready

* ps unittest ready

* solve dist_pass init conflict

* solve import CommContext error

* unittest ok

* implement AllocateFrom

* solve setup.py.in conflict

* solve conflict

* solve conflict

* solve conflict

* .

* .
Co-authored-by: Nzkh2016 <zhangkaihuo@baidu.com>

* add concat & split

* add concat kernel

* add concat unittest

* add split unittest

* gpu_context..

* update

* update

* update

add downpour_ctr_accessor

* Replace clip, bce_loss, full and full_like with elementwise

* adapt selectedrows in execution

* impl selected rows branch

* support selectedrow in infershape utils

* fix device compile failed

* fix new exe test failed

* revert some changes

* Rough implementation for experiment

* Support allocate cuda managed memory

* Fix CI error

* Modify UT

* Check whether support memory oversubscription

* Fix ROCM Compile error

* Fix ROCM Compile error

* Fix UT cuda_managed_memory_test

* Set UT timeout to 40

* Add UT OOMExceptionTest

* Set UT timeout to 50

* fix pten reduce dispatch bug

* add cast beforce reduce

* fix test failed