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===
GXE
===

This section covers about Graph Execution Engine(GXE) which is used to launch and run the graph
GXE accepts an application file which has the GXF components listed and a manifest file that has
dependent extensions. GXE loads the graph and the dependent extensions and activates all the entities
that are defined in the application file. Below are the steps that describes the functionality of GXE.

* Create GXF context
* Load the manifest file containing the GXF extensions
* Load the application file containing the GXF entities and their connections
* Activate the entities
* Wait for the graph to complete
* Destroy GXF context

Using the GXE
-------------

Below example provides the usage of GXE

.. .code:: bash

   ./gxe  --app "path to app.yaml" --manifest "path to manifest.yaml"