transformers safetensors llama text-generation axolotl generated_from_trainer spectrum finetuning Deepspeed MultiGPU autoquant gptq conversational arxiv:2406.06623 base_model:meta-llama/Meta-Llama-3-8B-Instruct base_model:quantized:meta-llama/Meta-Llama-3-8B-Instruct license:llama3 autotrain_compatible text-generation-inference endpoints_compatible 4-bit region:us