What problem does it solve?
PyTorch Lightning removes training-loop boilerplate so you can focus on model logic, experiment design, and scalable execution instead of device handling, logging, and orchestration details.
Core Features & Use Cases
- Structured Training: Organize models into a clean LightningModule and run them through a Trainer that handles the repetitive parts of training.
- Scalable Execution: Move from a laptop to multi-GPU, multi-node, or large-model training with built-in support for distributed strategies and precision control.
- Monitoring and Reliability: Add callbacks for checkpointing, early stopping, learning rate logging, and custom hooks without cluttering core model code.
- Use Case: Train an image classifier locally, then reuse the same code on an 8-GPU cluster with checkpointing, validation, and metric logging already in place.
Quick Start
Use the pytorch-lightning skill to turn your PyTorch training script into a LightningModule and Trainer workflow for your current dataset and hardware.