* add lstsq gpu kernel

* update

* add docs_en

* modify ut

* fix bugs

* modify example in docs_en

* remove lstsq_op.cu from ROCM cmake

* modify docs_en

* modify docs_en

* modify docs_en

* remove unneccessary TensorCopy

* Add the backward support for QR

* Remove unnecessary comments

This reverts commit ee813e34.

* unify infer_shape func calling

* support set grad infer shape fn for custom op

* unify infershape in new executor and eager

* remove todo comment

* revert infershape in operator

* add maxunpool3d op

* update doc for maxunpool3d op

* update doc for maxunpool3d op

* update doc for maxunpool3d op

* update sample code for maxunpool3d

* add maxunpool1d op

* update some code for maxunpool1d

* add mish operator and api

* remove redundant code and modify grad_atol of mish unittest

* modify mish code to be consistent with other activation implementation

* add multi tensor for adam

* add merged_adam op

* refine code

* refine adam compute logic

* delete the modification of dygraph

* CI

* check CI

* modify the retrun value of get_lr

* reuploaded files

* Changed year from 2021 to 2022

* minor change

* fixed requirements.txt file

* Handled special sum_grad_op code gen in Eager Dygraph

* Fixed merge issues

* added exp activation and use_dst_for_bwd kernels

* CI RERUN

* minor change

* make post training quant API support dataloader