quantize_config.json

{
  "bits": 4,
  "group_size": 128,
  "damp_percent": 0.1,
  "desc_act": false,
  "sym": true,
  "true_sequential": true,
  "quant_method": "gptq",
  "modules_in_block_to_quantize": null,
  "checkpoint_format": "gptq",
  "meta": {
    "quantizer": [
      "optimum:1.24.0",
      "auto_gptq:0.7.1"
    ]
  },
  "block_name_to_quantize": "model.layers"
}