In this chapter, we'll explore how PyTorch Lightning simplifies the development and deployment of scalable AI models. Starting with foundational concepts, we'll go through the core structure of a PyTorch Lightning project, including essential components like the LightningModule and Trainer, to set a strong foundation for more advanced AI solutions.

Introduction to PyTorch Lightning

Introducing the  LightningModule

Running the Lightning Trainer

Defining models with LightningModule

Usage of the LightningModule

Mastering the init method

Perfecting the forward method

Implementing training logic

Implementing the training step

Configuring the optimizer

Training and evaluating

Building Scalable Models with PyTorch Lightning

We'll dive deeper into PyTorch Lightning to efficiently manage data and refine model training in this chapter. We'll learn how to create modular and reusable data workflows with LightningDataModule, evaluate your models accurately through validation and testing, and enhance training processes using Lightning Callbacks to automate model improvement and avoid overfitting.

Managing data with LightningDataModule

Splitting data with LightningDataModule

Creating a train DataLoader

Incorporating validation and testing

Implementing the validation step

Evaluate model accuracy using Torchmetrics

Enhancing training with Lightning callbacks

Options

ModelCheckpoint

EarlyStopping

Classifying Lightning callbacks

Optimizing model training with Lightning

Advanced Techniques in PyTorch Lightning

Learn to prepare deep learning models for real-world deployment by making them leaner and faster. This chapter introduces techniques such as dynamic quantization, pruning, and TorchScript conversion, helping you reduce model size and latency without sacrificing accuracy

Applying dynamic quantization

Apply dynamic quantization

Comparing quantized model performance

Implementing model pruning techniques

Apply pruning to a linear layer

Finalize pruning by removing the mask

Exporting models with TorchScript

Choosing the right conversion method

Optimizing models for scalability

Recap: Scalable AI Models with PyTorch Lightning

Optimizing Models for Scalability

In this course, you'll explore the principles, tools, and techniques for building scalable AI systems. Using PyTorch Lightning as the primary framework, you'll get hands-on experience in developing and optimizing AI models by building modular neural network components, managing data pipelines, and applying advanced optimization techniques. By the end of the course, you will be equipped with the skills needed to build, scale, and deploy robust AI solutions.

<h2>Foundations of Scalable AI</h2> 
This course takes you on a journey through the fundamentals of scalable AI. You’ll begin by learning how PyTorch Lightning streamlines the model development lifecycle by reducing boilerplate. Through guided examples, you’ll see how to break complex neural networks into reusable components, allowing you to maintain code quality even as your projects grow in scope.
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<h2>Advanced Optimization Techniques</h2> 
You’ll also master optimization techniques, such as adaptive optimizers, model pruning, and quantization. You’ll see firsthand how small changes in training strategy can yield significant gains in speed and accuracy, and you’ll learn how to optimize your training loops to eliminate bottlenecks.
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<h2>Production-Ready Deployment</h2> 
By the end of the course, you’ll have gained the skills to take a prototype all the way to production, and you’ll have a portfolio of modular, optimized, and deployable AI solutions ready to tackle real-world challenges.







Intermediate Deep Learning with PyTorch

Streamline your AI projects by building modular models and mastering advanced optimization with PyTorch Lightning!

Scalable AI Models with PyTorch Lightning

Saves model weights to file when a new best score is achieved.

Optionally keeps the top K checkpoints and discards the rest.

Stops training to avoid overfitting when improvements stall.

Uses a patience parameter to allow a few more epochs of training after the last improvement.

Classifying Lightning callbacks

Scalable AI Models with PyTorch Lightning

Hands-on interactive exercise