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* Add initial serialization

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* Add unit tests

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* Add tests for serialization

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* Use or not and

* Add value test

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* Add more tests

* Add shape serialization

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* Add serializtion for literal and argument

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* Add from and to value to operatation

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* Serialize empty types

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* Tidy fixes

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* Fix tidy issues

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* Reformat value type macro

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* Handle enum types

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* Use const ref

* Update

* Add tests for to_value/from_value

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* Add more tests

* Rewrite test to avoid redundant assignment

* Add compiler options

* Add copy operators

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* Use run_passes in tests

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* Use run_pass in schedule test

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* Add compile_options to get_passes in target

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* Offload copy option

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* Copy using pinned memory

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* Improve performance of gpu copying

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* Dont copy

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* Always make an extra copy

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* Remove unused write op

* Add missing include

* Remove copy_to_gpu function in python api

* Make offload copy disabled by default on C++

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* Fix tidy issues

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* Fix namespace

* Fix python tests

* Turn clang format off since its broken

* Fix compile error on gcc 5

* Remove commented code