quantization_config.json

{
  "bits": 2,
  "group_size": 64,
  "sym": true,
  "data_type": "int",
  "scale_dtype": "None",
  "lr": 0.002,
  "minmax_lr": 0.002,
  "iters": 1000,
  "nsamples": 512,
  "autoround_version": "0.9.3",
  "quant_method": "auto-round",
  "packing_format": "auto_round:auto_gptq"
}