gguf ggml quantized q2_k q3_k_m q4_k_m q5_k_m q6_k q8_0 text-generation dataset:KnutJaegersberg/Auton base_model:KnutJaegersberg/Walter-Llama-1B base_model:quantized:KnutJaegersberg/Walter-Llama-1B license:apache-2.0 region:us