ctc_grad_norm_type by null

examples/aishell/s0/conf/deepspeech2.yaml

@@ -41,7 +41,7 @@ model:
   use_gru: True 
   share_rnn_weights: False
   blank_id: 0
-  ctc_grad_norm_type: instance
+  ctc_grad_norm_type: null
 
 training:
   n_epoch: 80

examples/aishell/s0/conf/deepspeech2_online.yaml

@@ -43,7 +43,7 @@ model:
   fc_layers_size_list: -1,
   use_gru: False 
   blank_id: 0
-  ctc_grad_norm_type: instance
+  ctc_grad_norm_type: null
   
 training:
   n_epoch: 50

examples/aishell/s1/conf/chunk_conformer.yaml

@@ -77,7 +77,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/aishell/s1/conf/conformer.yaml

@@ -72,7 +72,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/librispeech/s0/conf/deepspeech2.yaml

@@ -41,7 +41,7 @@ model:
   use_gru: False 
   share_rnn_weights: True
   blank_id: 0
-  ctc_grad_norm_type: instance
+  ctc_grad_norm_type: null
 
 training:
   n_epoch: 50

examples/librispeech/s0/conf/deepspeech2_online.yaml

@@ -43,7 +43,7 @@ model:
   fc_layers_size_list: 512, 256
   use_gru: False 
   blank_id: 0
-  ctc_grad_norm_type: instance
+  ctc_grad_norm_type: null
 
 training:
   n_epoch: 50

examples/librispeech/s1/conf/chunk_conformer.yaml

@@ -77,7 +77,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/librispeech/s1/conf/chunk_transformer.yaml

@@ -70,7 +70,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/librispeech/s1/conf/conformer.yaml

@@ -73,7 +73,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/librispeech/s2/conf/chunk_conformer.yaml

@@ -77,7 +77,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/librispeech/s2/conf/chunk_transformer.yaml

@@ -70,7 +70,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/librispeech/s2/conf/conformer.yaml

@@ -73,7 +73,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/ted_en_zh/t0/conf/transformer.yaml

@@ -69,7 +69,7 @@ model:
         asr_weight: 0.0
         ctc_weight: 0.0
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/ted_en_zh/t0/conf/transformer_joint_noam.yaml

@@ -69,7 +69,7 @@ model:
         asr_weight: 0.5
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/timit/s1/conf/transformer.yaml

@@ -67,7 +67,7 @@ model:
     model_conf:
         ctc_weight: 0.5
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/tiny/s0/conf/deepspeech2.yaml

@@ -42,7 +42,7 @@ model:
   use_gru: False 
   share_rnn_weights: True 
   blank_id: 0
-  ctc_grad_norm_type: instance
+  ctc_grad_norm_type: null
 
 training:
   n_epoch: 10

examples/tiny/s0/conf/deepspeech2_online.yaml

@@ -44,7 +44,7 @@ model:
   fc_layers_size_list: 512, 256
   use_gru: True 
   blank_id: 0
-  ctc_grad_norm_type: instance
+  ctc_grad_norm_type: null
 
 training:
   n_epoch: 10

examples/tiny/s1/conf/chunk_confermer.yaml

@@ -77,7 +77,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/tiny/s1/conf/chunk_transformer.yaml

@@ -70,7 +70,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/tiny/s1/conf/conformer.yaml

@@ -73,7 +73,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false
 

examples/tiny/s1/conf/transformer.yaml

@@ -67,7 +67,7 @@ model:
     model_conf:
         ctc_weight: 0.3
         ctc_dropoutrate: 0.0
-        ctc_grad_norm_type: instance
+        ctc_grad_norm_type: null
         lsm_weight: 0.1     # label smoothing option
         length_normalized_loss: false