gguf ggml quantized q2_k q3_k_m q4_k_m q5_k_m q6_k q8_0 text-generation dataset:garage-bAInd/Open-Platypus dataset:Felladrin/Open-Platypus-train.csv base_model:Felladrin/llama2_xs_460M_experimental_platypus base_model:quantized:Felladrin/llama2_xs_460M_experimental_platypus region:us