lightning/docs/LightningModule/properties.md

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A LightningModule has the following properties which you can access at any time


current_epoch

The current epoch


dtype

Current dtype


global_step

Total training batches seen across all epochs


gradient_clip

The current gradient clip value


on_gpu

True if your model is currently running on GPUs. Useful to set flags around the LightningModule for different CPU vs GPU behavior.


Trainer

Last resort access to any state the trainer has. Changing certain properties here could affect your training run.