gguf quantized 2-bit 3-bit 4-bit 5-bit 6-bit 8-bit GGUF text-generation base_model:aifeifei798/llama3-8B-DarkIdol-2.2-Uncensored-1048K base_model:quantized:aifeifei798/llama3-8B-DarkIdol-2.2-Uncensored-1048K region:us imatrix