.. index.rst


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Interact with Backends 
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Backend
========

Backends are responsible for function execution and value allocation. They 
can be used to :doc:`carry out a programmed computation<../howto/execute>`
from a framework by using a CPU or GPU; or they can be used with an *Interpreter* 
mode, which is primarily intended for testing, to analyze a program, or for a 
framework developer to develop a custom UI or API. 


.. figure:: ../graphics/runtime.png
   :width: 650px


.. doxygenclass:: ngraph::runtime::Backend
   :project: ngraph
   :members:




TensorView
===========

.. doxygenclass:: ngraph::runtime::TensorView
   :project: ngraph
   :members: