transformers pytorch llama text-generation mamba alignment-handbook generated_from_trainer conversational dataset:HuggingFaceH4/ultrafeedback_binarized base_model:JunxiongWang/llama3_mamba_0_5_sft base_model:finetune:JunxiongWang/llama3_mamba_0_5_sft autotrain_compatible text-generation-inference endpoints_compatible region:us