chunk_content:  prompt tuning, prefix tuning, and P-tuning.
  
  Prompt tuning
  	
  
  Only train and store a significantly smaller set of task-specific prompt parameters (image source).
  Prompt tuning was developed for text classification tasks on T5 models, and all downstream tasks are cast as a text generation task. For example, sequence classification usually assigns a single class label to a sequence of text. By casting it as a text generation task, the tokens tha