Fix ofa (#536)

* fix

* fix embedding
Co-authored-by: NBai Yifan <me@ethanbai.com>

paddleslim/nas/ofa/convert_super.py

@@ -528,7 +528,7 @@ class Convert:
                     getattr(self.context, 'channel', None) != None):
                 attr_dict = layer.__dict__
                 key = attr_dict['_full_name']
-                new_attr_name = ['padding_idx', ]
+                new_attr_name = []
                 if pd_ver == 185:
                     new_attr_name += [
                         'size', 'is_sparse', 'is_distributed', 'param_attr',
@@ -584,6 +584,9 @@ class Convert:
                 for attr in new_attr_name:
                     new_attr_dict[attr] = attr_dict['_' + attr]
 
+                new_attr_dict['padding_idx'] = None if attr_dict[
+                    '_padding_idx'] == -1 else attr_dict['_padding_idx']
+
                 del layer, attr_dict
 
                 layer = Block(SuperEmbedding(**new_attr_dict), key=key)

paddleslim/nas/ofa/layers_new.py

@@ -937,7 +937,8 @@ class SuperEmbedding(nn.Embedding):
                  weight_attr=None,
                  name=None):
         super(SuperEmbedding, self).__init__(num_embeddings, embedding_dim,
-                                             sparse, weight_attr, name)
+                                             padding_idx, sparse, weight_attr,
+                                             name)
         self.candidate_config = candidate_config
         self.expand_ratio = candidate_config[
             'expand_ratio'] if 'expand_ratio' in candidate_config else None