---
title: Common
canonical: 'https://lightning.ai/docs/pytorch/stable/reference/common'
---
# Common {#common}



---

**Navigation**

- Parent: [Reference](/docs/pytorch/2.6.6/reference.md)
- Children:
  - [Checkpointing](/docs/pytorch/2.6.6/reference/common/checkpointing.md)
  - [Cloud checkpoint](/docs/pytorch/2.6.6/reference/common/checkpointing_advanced.md)
  - [Saving and loading checkpoints (basic)](/docs/pytorch/2.6.6/reference/common/checkpointing_basic.md)
  - [Distributed Checkpoints](/docs/pytorch/2.6.6/reference/common/checkpointing_expert.md)
  - [Customize checkpointing behavior (intermediate)](/docs/pytorch/2.6.6/reference/common/checkpointing_intermediate.md)
  - [Upgrading checkpoints (intermediate)](/docs/pytorch/2.6.6/reference/common/checkpointing_migration.md)
  - [Console Logging](/docs/pytorch/2.6.6/reference/common/console_logs.md)
  - [Early stopping](/docs/pytorch/2.6.6/reference/common/early_stopping.md)
  - [Add validation and test datasets](/docs/pytorch/2.6.6/reference/common/evaluation.md)
  - [Validate and test a model (basic)](/docs/pytorch/2.6.6/reference/common/evaluation_basic.md)
  - [Validate and test a model (intermediate)](/docs/pytorch/2.6.6/reference/common/evaluation_intermediate.md)
  - [Hooks](/docs/pytorch/2.6.6/reference/common/hooks.md)
  - [Configure hyperparameters from the CLI](/docs/pytorch/2.6.6/reference/common/hyperparameters.md)
  - [Interactive Notebooks (Jupyter, Colab, Kaggle)](/docs/pytorch/2.6.6/reference/common/notebooks.md)
  - [Optimization](/docs/pytorch/2.6.6/reference/common/optimization.md)
  - [Half precision](/docs/pytorch/2.6.6/reference/common/precision.md)
  - [N-Bit Precision (Basic)](/docs/pytorch/2.6.6/reference/common/precision_basic.md)
  - [N-Bit Precision (Expert)](/docs/pytorch/2.6.6/reference/common/precision_expert.md)
  - [N-Bit Precision (Intermediate)](/docs/pytorch/2.6.6/reference/common/precision_intermediate.md)
  - [Progress bar](/docs/pytorch/2.6.6/reference/common/progress_bar.md)
  - [Remote filesystem and FSSPEC](/docs/pytorch/2.6.6/reference/common/remote_fs.md)
  - [Truncated Backpropagation Through Time (TBPTT)](/docs/pytorch/2.6.6/reference/common/tbptt.md)