transformers gguf llama text-generation meta llama-3 imatrix importance matrix en arxiv:2309.00071 arxiv:2402.08268 arxiv:2305.14233 base_model:gradientai/Llama-3-8B-Instruct-Gradient-1048k base_model:quantized:gradientai/Llama-3-8B-Instruct-Gradient-1048k license:other autotrain_compatible endpoints_compatible region:us conversational