compress_config.json

{
  "bits": 4,
  "group_size": -1,
  "sparsity": 0.5,
  "damp_percent": 0.01,
  "desc_act": false,
  "sym": false,
  "true_sequential": true,
  "lossless": "none",
  "prunen": 2,
  "prunem": 4,
  "block_size": 128
}