11# Eager Execution
22
3- > * WARNING* : This is a preview/pre-alpha version. The API and performance
4- > characteristics are subject to change.
5-
6- Eager execution is an experimental interface to TensorFlow that provides an
7- imperative programming style (à la [ NumPy] ( http://www.numpy.org ) ). When you
8- enable eager execution, TensorFlow operations execute immediately; you do not
9- execute a pre-constructed graph with
3+ Eager execution provides an imperative interface to TensorFlow (similiar to
4+ [ NumPy] ( http://www.numpy.org ) ). When you enable eager execution, TensorFlow
5+ operations execute immediately; you do not execute a pre-constructed graph with
106[ ` Session.run() ` ] ( https://www.tensorflow.org/api_docs/python/tf/Session ) .
117
128For example, consider a simple computation in TensorFlow:
@@ -33,29 +29,31 @@ print(m)
3329## Caveats
3430
3531This feature is in early stages and work remains to be done in terms of smooth
36- support for distributed and multi-GPU training and CPU performance.
32+ support for distributed and multi-GPU training and performance.
3733
3834- [ Known issues] ( https://github.com/tensorflow/tensorflow/issues?q=is%3Aissue%20is%3Aopen%20label%3Acomp%3Aeager )
3935- Feedback is welcome, please consider
4036 [ filing an issue] ( https://github.com/tensorflow/tensorflow/issues/new ) to provide it.
4137
4238## Installation
4339
44- Eager execution is included in TensorFlow versions 1.5 and above.
40+ Eager execution is included in TensorFlow versions 1.7 and above.
4541Installation instructions at https://www.tensorflow.org/install/
4642
4743## Documentation
4844
4945For an introduction to eager execution in TensorFlow, see:
5046
51- - [ User Guide] ( python/g3doc/guide.md )
47+ - [ User Guide] ( https://www.tensorflow.org/programmers_guide/eager ) ( [ source ] ( ../../docs_src/programmers_guide/eager.md ) )
5248- Notebook: [ Basic Usage] ( python/examples/notebooks/1_basics.ipynb )
5349- Notebook: [ Gradients] ( python/examples/notebooks/2_gradients.ipynb )
5450- Notebook: [ Importing Data] ( python/examples/notebooks/3_datasets.ipynb )
5551
5652## Changelog
5753
58- - 2017/10/31: Initial preview release.
54+ - 2017/10/31: Initial preview release (in TensorFlow 1.5)
5955- 2017/12/01: Example of dynamic neural network:
6056 [ SPINN: Stack-augmented Parser-Interpreter Neural Network] ( https://arxiv.org/abs/1603.06021 ) .
6157 See [ README.md] ( python/examples/spinn/README.md ) for details.
58+ - 2017/03: Core functionality moved out of the experimental tf.contrib namespace
59+ in TensorFlow 1.7.
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