JSON configuration cleanup. (#151)

* Better config filename

* Clean up configuration ToC

README.md

@@ -413,7 +413,7 @@ as the hostname.
 | Article                                                                                        | Description                                  |
 | ---------------------------------------------------------------------------------------------- | -------------------------------------------- |
 | [DeepSpeed Features](https://www.deepspeed.ai/features/)                                       |  DeepSpeed features                          |
-| [DeepSpeed JSON Configuration](https://www.deepspeed.ai/docs/config_json/)                     |  Configuring DeepSpeed                       |
+| [DeepSpeed JSON Configuration](https://www.deepspeed.ai/docs/config-json/)                     |  Configuring DeepSpeed                       |
 | [API Documentation](https://deepspeed.readthedocs.io/en/latest/)                               |  Generated DeepSpeed API documentation       |
 | [CIFAR-10 Tutorial](https://www.deepspeed.ai/tutorials/cifar-10)                               |  Getting started with CIFAR-10 and DeepSpeed |
 | [Megatron-LM Tutorial](https://www.deepspeed.ai/tutorials/megatron/)                           |  Train GPT2 with DeepSpeed and Megatron-LM   |

docs/_config.yml

@@ -48,7 +48,7 @@ defaults:
   - scope:
       path: "_pages"
     values:
-      permalink: /docs/:basename
+      permalink: /docs/:basename/
   - scope:
       path: ""
       type: posts

docs/_data/navigation.yml

@@ -25,7 +25,20 @@ lnav:
       - title: "Launching"
         url: /getting-started/#launching-deepspeed-training
   - title: "Configuration"
-    url: /docs/config_json/
+    url: /docs/config-json/
+    children:
+      - title: "Batch size"
+        url: /docs/config-json/#batch-size-related-parameters
+      - title: "Optimizer"
+        url: /docs/config-json/#optimizer-parameters
+      - title: "Scheduler"
+        url: /docs/config-json/#scheduler-parameters
+      - title: "Communication"
+        url: /docs/config-json/#communication-options
+      - title: "FP16"
+        url: /docs/config-json/#fp16-training-options
+      - title: "Logging"
+        url: /docs/config-json/#logging
   - title: "Tutorials"
     url: /tutorials/
     children:

docs/_pages/config_json.md → docs/_pages/config-json.md

 ---
 title: "DeepSpeed Configuration JSON"
 ---
-## REQUIRED DeepSpeed Config JSON Parameters
+
+### Batch Size Related Parameters
+
+**Note:** configuring ***train\_batch\_size*** is required.
+{: .notice--warning}
 
 ***train\_batch\_size***: [integer]
 
@@ -9,9 +13,6 @@ title: "DeepSpeed Configuration JSON"
 | ------------------------------------------------------------ | ------- |
 | The effective training batch size. This is the amount of data samples that leads to one step of model update. ***train\_batch\_size*** is aggregated by the batch size that a single GPU processes in one forward/backward pass (a.k.a., ***train\_step\_batch\_size***),  the gradient accumulation steps (a.k.a., ***gradient\_accumulation\_steps***), and the number of GPUs. | `32`      |
 
-## OPTIONAL DeepSpeed Config JSON Parameters
-
-### Batch Size Related Parameters
 
 ***train\_micro\_batch\_size\_per\_gpu***: [integer]
 

docs/_tutorials/getting-started.md

@@ -116,7 +116,7 @@ the `step` value is stored as part of the `client_sd`.
 DeepSpeed features can be enabled, disabled, or configured using a config JSON
 file that should be specified as `args.deepspeed_config`. A sample config file
 is shown below. For a full set of features see [ API
-doc](/docs/config_json/).
+doc](/docs/config-json/).
 
 ```json
 {