Book Image

Hands-On Deep Learning with Go

By : Gareth Seneque, Darrell Chua

Book Image

Hands-On Deep Learning with Go

By: Gareth Seneque, Darrell Chua

Overview of this book

Go is an open source programming language designed by Google for handling large-scale projects efficiently. The Go ecosystem comprises some really powerful deep learning tools such as DQN and CUDA. With this book, you'll be able to use these tools to train and deploy scalable deep learning models from scratch. This deep learning book begins by introducing you to a variety of tools and libraries available in Go. It then takes you through building neural networks, including activation functions and the learning algorithms that make neural networks tick. In addition to this, you'll learn how to build advanced architectures such as autoencoders, restricted Boltzmann machines (RBMs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), and more. You'll also understand how you can scale model deployments on the AWS cloud infrastructure for training and inference. By the end of this book, you'll have mastered the art of building, training, and deploying deep learning models in Go to solve real-world problems.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

Section 1: Deep Learning in Go, Neural Networks, and How to Train Them

Section 1: Deep Learning in Go, Neural Networks, and How to Train Them

Introduction to Deep Learning in Go

Introduction to Deep Learning in Go

Overview of ML in Go

What Is a Neural Network and How Do I Train One?

What Is a Neural Network and How Do I Train One?

A basic neural network

Activation functions

Gradient descent and backpropagation

Advanced gradient descent algorithms

Beyond Basic Neural Networks - Autoencoders and RBMs

Beyond Basic Neural Networks - Autoencoders and RBMs

Loading data – MNIST

Building a neural network for handwriting recognition

Building an autoencoder – generating MNIST digits

Building an RBM for Netflix-style collaborative filtering

Further reading

CUDA - GPU-Accelerated Training

CUDA - GPU-Accelerated Training

CPUs versus GPUs

Understanding Gorgonia and CUDA

Building a model in Gorgonia with CUDA support

Performance benchmarking of CPU versus GPU models for training and inference

Section 2: Implementing Deep Neural Network Architectures

Section 2: Implementing Deep Neural Network Architectures

Next Word Prediction with Recurrent Neural Networks

Next Word Prediction with Recurrent Neural Networks

RNNs and vanishing gradients

Augmenting your RNN with GRU/LSTM units

Building an LSTM in Gorgonia

Object Recognition with Convolutional Neural Networks

Object Recognition with Convolutional Neural Networks

Introduction to CNNs

Building an example CNN

Assessing the results

Further reading

Maze Solving with Deep Q-Networks

Maze Solving with Deep Q-Networks

Solving a maze using a DQN in Gorgonia

Further reading

Generative Models with Variational Autoencoders

Generative Models with Variational Autoencoders

Introduction to VAEs

Building a VAE on MNIST

Assessing the results

Further reading

Section 3: Pipeline, Deployment, and Beyond!

Section 3: Pipeline, Deployment, and Beyond!

Building a Deep Learning Pipeline

Building a Deep Learning Pipeline

Exploring Pachyderm

Integrating our CNN

Scaling Deployment

Scaling Deployment

Lost (and found) in the cloud

Building deployment templates

Running a model on a K8s cluster

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Gradient descent and backpropagation

We've talked about backpropagation and gradient descent in the context of example code in the first section of this chapter, but it can be hard to really understand the concepts at play when Gorgonia is doing a lot of the heavy lifting for us. So, we will now take a look at the actual process itself.

Gradient descent

Backpropagation is how we really train our model; it's an algorithm we use to minimize the prediction error by adjusting our model's weights. We usually do this via a method called gradient descent.

Let's begin with a basic example—let's say we want to train a simple neural network to do the following, by multiplying a number by 0.5:

Input...