gguf facebook meta pytorch llama llama-3 quantized GGUF imatrix quantization imat static 16bit 8bit 6bit 5bit 4bit 3bit 2bit 1bit text-generation en base_model:failspy/Llama-3-8B-Instruct-MopeyMule base_model:quantized:failspy/Llama-3-8B-Instruct-MopeyMule license:other region:us conversational