transformers safetensors phi3 text-generation alignment-handbook dpo trl selm conversational custom_code dataset:HuggingFaceH4/ultrafeedback_binarized arxiv:2405.19332 base_model:ZhangShenao/SELM-Phi-3-mini-4k-instruct-iter-2 base_model:finetune:ZhangShenao/SELM-Phi-3-mini-4k-instruct-iter-2 license:mit autotrain_compatible text-generation-inference endpoints_compatible region:us