* Add async transferer class
* Add async ndarray copy interface
* Add python bindings
* Fix comment
* Add python class
* Fix linting issues
* Add python unit test
* Update python interface
* move async_transferer to cuda only directory
* Fix linting issue
* Move out of contrib
* Add doc strings
* Move test compute from backend
* Update comment
* Fix test naming
* Fix argument usage
* Wrap/unwrap backend parameters
* Move to dataloading
* Move to 'dataloading'
* Make GPU/CPU compatible
* Fix unit tests
* Add docs
* Use only backend interface for datamovement in unit test
* clean commit
* oops forgot the most important files
* use einsum
* copy feature from frontier to block
* Revert "copy feature from frontier to block"
This reverts commit 5224ec963eb6a3ef1b6ab74d8ecbd44e4e42f285.
* temp fix
* unit test
* fix
* revert jtnn
* lint
* fix win64
* docstring fixes and doc indexing
* revert einsum in sparse bidecoder
* fix some examples
* lint
* fix due to some tediousness in remove_edges
* addresses comments
* fix
* more jtnn fixes
* fix
Mufei Li