transformers safetensors llama text-generation nm-vllm marlin int4 conversational arxiv:2210.17323 base_model:NousResearch/Nous-Hermes-2-Yi-34B base_model:quantized:NousResearch/Nous-Hermes-2-Yi-34B autotrain_compatible text-generation-inference endpoints_compatible 4-bit gptq region:us