Book Image

Mastering PyTorch

By : Ashish Ranjan Jha
Book Image

Mastering PyTorch

By: Ashish Ranjan Jha

Overview of this book

Deep learning is driving the AI revolution, and PyTorch is making it easier than ever before for anyone to build deep learning applications. This PyTorch book will help you uncover expert techniques to get the most out of your data and build complex neural network models. The book starts with a quick overview of PyTorch and explores using convolutional neural network (CNN) architectures for image classification. You'll then work with recurrent neural network (RNN) architectures and transformers for sentiment analysis. As you advance, you'll apply deep learning across different domains, such as music, text, and image generation using generative models and explore the world of generative adversarial networks (GANs). You'll not only build and train your own deep reinforcement learning models in PyTorch but also deploy PyTorch models to production using expert tips and techniques. Finally, you'll get to grips with training large models efficiently in a distributed manner, searching neural architectures effectively with AutoML, and rapidly prototyping models using PyTorch and fast.ai. By the end of this PyTorch book, you'll be able to perform complex deep learning tasks using PyTorch to build smart artificial intelligence models.
Table of Contents (20 chapters)
1
Section 1: PyTorch Overview
4
Section 2: Working with Advanced Neural Network Architectures
8
Section 3: Generative Models and Deep Reinforcement Learning
13
Section 4: PyTorch in Production Systems

Summary

In this chapter, we have extensively explored recurrent neural architectures. First, we learned about various RNN types: one-to-many, many-to-many, and so on. We then delved into the history and evolution of RNN architectures. From here, we looked at simple RNNs, LSTMs, and GRUs to bidirectional, multi-dimensional, and stacked models. We also inspected what each of these individual architectures looked like and what was novel about them.

Next, we performed two hands-on exercises on a many-to-one sequence classification task based on sentiment analysis. Using PyTorch, we trained a unidirectional RNN model, followed by a bidirectional LSTM model with dropout on the IMDb movie reviews dataset. In the first exercise, we manually loaded and processed the data. In the second exercise, using PyTorch's torchtext module, we demonstrated how to load the dataset and process the text data, including vocabulary generation, efficiently and concisely.

In the final section of this...