transformers tensorboard safetensors llama text-generation alignment-handbook generated_from_trainer trl dpo conversational dataset:HuggingFaceH4/ultrafeedback_binarized base_model:princeton-nlp/Llama-3-Base-8B-SFT base_model:finetune:princeton-nlp/Llama-3-Base-8B-SFT autotrain_compatible text-generation-inference endpoints_compatible region:us