# Executor and Executor Manager
The executor and executor manager are internal classes for managing symbolic
graph execution. This document is only intended for reference for advanced users.
## Executor
```eval_rst
.. currentmodule:: mxnet.executor
.. autosummary::
:nosignatures:
Executor
```
## Executor Manager
```eval_rst
.. currentmodule:: mxnet.executor_manager
.. autosummary::
:nosignatures:
DataParallelExecutorGroup
DataParallelExecutorManager
```
## API Reference
```eval_rst
.. automodule:: mxnet.executor
:members:
.. automodule:: mxnet.executor_manager
:members:
```