Merge pull request #550 from zhipuch/froze

Froze vision layers

finetune_demo/configs/lora.yaml

@@ -5,6 +5,7 @@ data_config:
   num_proc: 1
 
 combine: True
+freezeV: True
 max_input_length: 512
 max_output_length: 512
 

finetune_demo/configs/ptuning_v2.yaml

@@ -5,6 +5,7 @@ data_config:
   num_proc: 1
 
 combine: True
+freezeV: True
 max_input_length: 512
 max_output_length: 512
 

finetune_demo/configs/sft.yaml

@@ -5,6 +5,7 @@ data_config:
   num_proc: 1
 
 combine: True
+freezeV: True
 max_input_length: 512
 max_output_length: 512
 

finetune_demo/finetune_vision.py

@@ -136,6 +136,7 @@ class FinetuningConfig(object):
     max_input_length: int
     max_output_length: int
     combine: bool
+    freezeV: bool
 
     training_args: Seq2SeqTrainingArguments = dc.field(
         default_factory=lambda: Seq2SeqTrainingArguments(output_dir='./output')
@@ -449,6 +450,10 @@ def main(
 ):
     ft_config = FinetuningConfig.from_file(config_file)
     tokenizer, model = load_tokenizer_and_model(model_dir, peft_config=ft_config.peft_config)
+    
+    if ft_config.freezeV:
+        for param in model.transformer.vision.parameters():
+            param.requires_grad = False
     data_manager = DataManager(data_dir, ft_config.data_config)
 
     train_dataset = data_manager.get_dataset(