* add squeeze unsqueeze stack

* add unittest

* add cpu kernel

* add dropout

* add reshape

* add slice

* refien slice unittest

* refine slice unittest

* add cpu bf16 kernel

* update isnan registration

* fix compile

* add standard_suffix_set_and_remove_reshape_with_xshape

* revert reshape change

* polish reduce name

* fix code conflict

* clear cache

* just try

* adjust the Empyt dev_api

* fix merge conflict

* fix sparse_utils_kernel

* 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

* try to fix trace kernel conflict; test=develop

* Optimize performence of softmax_fwd when axis!=-1

* use functor

* support hip

* fix functor

* fit pten for amp

* fix typo

* rebuild matmul pass: trt and gpu_cpu

* rebuild matmul pass: trt and gpu_cpu

* rebuild matmul pass: trt and gpu_cpu

* rebuild matmul pass: trt and gpu_cpu

* 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