gguf quantized 2-bit 3-bit 4-bit 5-bit 6-bit 8-bit GGUF text-generation llama llama-3 base_model:MaziyarPanahi/Llama-3-8B-Instruct-v0.8 base_model:quantized:MaziyarPanahi/Llama-3-8B-Instruct-v0.8 region:us conversational