peft tensorboard safetensors llama alignment-handbook generated_from_trainer trl sft dataset:HuggingFaceH4/ultrachat_200k base_model:TinyLlama/TinyLlama-1.1B-Chat-v1.0 base_model:adapter:TinyLlama/TinyLlama-1.1B-Chat-v1.0 license:apache-2.0 region:us