transformers gguf axolotl generated_from_trainer en dataset:Magpie-Align/MagpieLM-SFT-Data-v0.1 arxiv:2406.08464 base_model:nvidia/Llama-3.1-Minitron-4B-Width-Base base_model:quantized:nvidia/Llama-3.1-Minitron-4B-Width-Base endpoints_compatible region:us conversational