Use negative loss value as the key model validation metric

NVIDIA Docs Hub NVIDIA Clara NVIDIA Clara Train 3.1 Use negative loss value as the key model validation metric

A new AuxiliaryOperation called NegLoss has been added to help facilitate using the minimal loss as the key metric.

In your config_train.json, add the following into the “train” section:

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            "aux_ops": [
  {
    "path": "NegLoss",
    "args": {
          "tag”: "negloss"
   }
  }
],

Then in the metric section of “validate”:

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            "metrics":
[
    {
        "name": "ComputeAverage",
        "args": {
          "name": "negloss",
          "is_key_metric": true,
          "field": "negloss"
        }
    }
],