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AsyncCheckpointIO

class lightning.pytorch.plugins.io.AsyncCheckpointIO(checkpoint_io=None)[source]

Bases: _WrappingCheckpointIO

AsyncCheckpointIO enables saving the checkpoints asynchronously in a thread.

Warning

This is an experimental feature.

Parameters

checkpoint_io (Optional[CheckpointIO]) – A checkpoint IO plugin that is used as the basis for async checkpointing.

save_checkpoint(*args, **kwargs)[source]

Uses the ThreadPoolExecutor to save the checkpoints using the base checkpoint_io.

Return type

None

teardown()[source]

This method is called to close the threads.

Return type

None