gguf alignment-handbook trl dpo generated_from_trainer llama-cpp gguf-my-repo dataset:HuggingFaceH4/ultrafeedback_binarized base_model:HuggingFaceTB/SmolLM2-1.7B-8k-dpo base_model:quantized:HuggingFaceTB/SmolLM2-1.7B-8k-dpo endpoints_compatible region:us conversational