szha commented on a change in pull request #9492: fix print_summary bug and add 
groups of convolution
URL: https://github.com/apache/incubator-mxnet/pull/9492#discussion_r166808910
 
 

 ##########
 File path: python/mxnet/visualization.py
 ##########
 @@ -134,17 +134,23 @@ def print_layer_summary(node, out_shape):
                             pre_filter = pre_filter + int(shape[0])
         cur_param = 0
         if op == 'Convolution':
-            if ("no_bias" in node["attrs"]) and int(node["attrs"]["no_bias"]):
-                cur_param = pre_filter * int(node["attrs"]["num_filter"])
+            if ("no_bias" in node["attrs"]) and node["attrs"]["no_bias"] == 
'True':
+                num_group = int(node["attrs"]["num_group"]) if \
+                   ("num_group" in node["attrs"]) else 1
+                cur_param = (pre_filter * int(node["attrs"]["num_filter"])) \
+                   // num_group
                 for k in _str2tuple(node["attrs"]["kernel"]):
                     cur_param *= int(k)
             else:
-                cur_param = pre_filter * int(node["attrs"]["num_filter"])
+                num_group = int(node["attrs"]["num_group"]) if \
+                   ("num_group" in node["attrs"]) else 1
+                cur_param = (pre_filter * int(node["attrs"]["num_filter"])) \
+                   // num_group
                 for k in _str2tuple(node["attrs"]["kernel"]):
                     cur_param *= int(k)
                 cur_param += int(node["attrs"]["num_filter"])
         elif op == 'FullyConnected':
-            if ("no_bias" in node["attrs"]) and int(node["attrs"]["no_bias"]):
+            if ("no_bias" in node["attrs"]) and node["attrs"]["no_bias"] == 
'True':
 
 Review comment:
   The json dump should have made booleans without the parenthesis so that the 
json's type is used, i.e.
   ```
   "attrs": {
     "flatten": "True",
     "no_bias": "False",
     "num_hidden": "1000"
   }
   # should have been
   "attrs": {
     "flatten": True,
     "no_bias": False,
     "num_hidden": 1000
   }
   ```
   
   @piiswrong would it be OK to change json export to properly use json boolean?

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