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ValLoop

class mmengine.runner.ValLoop(runner, dataloader, evaluator, fp16=False)[source]

Loop for validation.

Parameters:
  • runner (Runner) – A reference of runner.

  • dataloader (Dataloader or dict) – A dataloader object or a dict to build a dataloader.

  • evaluator (Evaluator or dict or list) – Used for computing metrics.

  • fp16 (bool) – Whether to enable fp16 validation. Defaults to False.

run()[source]

Launch validation.

Return type:

dict

run_iter(idx, data_batch)[source]

Iterate one mini-batch.

Parameters:

data_batch (Sequence[dict]) – Batch of data from dataloader.

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