# lightning

Python API: `luxonis_train.lightning`

The Lightning module that runs the graph.

[LuxonisLightningModule](https://docs.luxonis.com/software-v3/ai-inference/model-source/training/luxonis-train/luxonis-train-api-reference/lightning/luxonis_lightning.md)
builds the nodes from a config, runs them in topological order, and computes the losses, the metrics, and the visualizations.
[LuxonisOutput](https://docs.luxonis.com/software-v3/ai-inference/model-source/training/luxonis-train/luxonis-train-api-reference/lightning/luxonis_output.md)
holds the result of one forward pass.

## Child Pages

 * [freezing](https://docs.luxonis.com/software-v3/ai-inference/model-source/training/luxonis-train/luxonis-train-api-reference/lightning/freezing.md)
 * [luxonis_lightning](https://docs.luxonis.com/software-v3/ai-inference/model-source/training/luxonis-train/luxonis-train-api-reference/lightning/luxonis_lightning.md)
 * [luxonis_output](https://docs.luxonis.com/software-v3/ai-inference/model-source/training/luxonis-train/luxonis-train-api-reference/lightning/luxonis_output.md)
 * [training_plan](https://docs.luxonis.com/software-v3/ai-inference/model-source/training/luxonis-train/luxonis-train-api-reference/lightning/training_plan.md)
 * [utils](https://docs.luxonis.com/software-v3/ai-inference/model-source/training/luxonis-train/luxonis-train-api-reference/lightning/utils.md)