[docs] Pictures for all the Examples (ray-project#5859)

* image * plot resnet * hyperparam * fixup_pictures * custom_direct
jbn · Oct 14, 2019 · 7f4141d · 7f4141d
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diff --git a/doc/examples/overview.rst b/doc/examples/overview.rst
@@ -3,18 +3,22 @@ Examples Overview
 
 .. customgalleryitem::
    :tooltip: Build a simple parameter server using Ray.
+   :figure: /images/param_actor.png
    :description: :doc:`/auto_examples/plot_parameter_server`
 
 .. customgalleryitem::
    :tooltip: Asynchronous Advantage Actor Critic agent using Ray.
+   :figure: /images/a3c.png
    :description: :doc:`/auto_examples/plot_example-a3c`
 
 .. customgalleryitem::
    :tooltip: Simple parallel asynchronous hyperparameter evaluation.
+   :figure: /images/hyperparameter.png
    :description: :doc:`/auto_examples/plot_hyperparameter`
 
 .. customgalleryitem::
    :tooltip: Parallelizing a policy gradient calculation on OpenAI Gym Pong.
+   :figure: /images/pong.png
    :description: :doc:`/auto_examples/plot_pong_example`
 
 .. customgalleryitem::
@@ -25,10 +29,6 @@ Examples Overview
    :tooltip: Implementing a simple news reader using Ray.
    :description: :doc:`/auto_examples/plot_newsreader`
 
-.. customgalleryitem::
-   :tooltip: Using Ray to train ResNet across multiple GPUs.
-   :description: :doc:`/auto_examples/plot_resnet`
-
 .. customgalleryitem::
    :tooltip: Implement a simple streaming application using Ray’s actors.
    :description: :doc:`/auto_examples/plot_streaming`
diff --git a/doc/examples/plot_example-a3c.rst b/doc/examples/plot_example-a3c.rst
@@ -25,6 +25,10 @@ To run the application, first install **ray** and then some dependencies:
   pip install opencv-python-headless
   pip install scipy
 
+
+.. image:: ../images/a3c.png
+    :align: center
+
 You can run the code with
 
 .. code-block:: bash

diff --git a/doc/examples/plot_hyperparameter.py b/doc/examples/plot_hyperparameter.py
@@ -9,6 +9,9 @@
 using ``ray.remote`` to define remote functions and ``ray.wait`` to wait for
 their results to be ready.
 
+.. image:: ../images/hyperparameter.png
+    :align: center
+
 .. important:: For a production-grade implementation of distributed
     hyperparameter tuning, use `Tune`_, a scalable hyperparameter
     tuning library built using Ray's Actor API.

diff --git a/doc/examples/plot_pong_example.py b/doc/examples/plot_pong_example.py
@@ -14,6 +14,10 @@
 This application is adapted, with minimal modifications, from
 Andrej Karpathy's `source code`_ (see the accompanying `blog post`_).
 
+.. image:: ../images/pong-arch.svg
+    :align: center
+
+
 To run the application, first install some dependencies.
 
 .. code-block:: bash

diff --git a/doc/examples/plot_resnet.rst b/doc/examples/plot_resnet.rst
diff --git a/doc/examples/resnet/cifar_input.py b/doc/examples/resnet/cifar_input.py