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EmptyCacheHook

class mmengine.hooks.EmptyCacheHook(before_epoch=False, after_epoch=True, after_iter=False)[source]

Releases all unoccupied cached GPU memory during the process of training.

Parameters
  • before_epoch (bool) – Whether to release cache before an epoch. Defaults to False.

  • after_epoch (bool) – Whether to release cache after an epoch. Defaults to True.

  • after_iter (bool) – Whether to release cache after an iteration. Defaults to False.

Return type

None

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