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Accelerate Model Training with PyTorch 2.X
Accelerate Model Training with PyTorch 2.X

Accelerate Model Training with PyTorch 2.X: Build more accurate models by boosting the model training process

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Profile Icon Maicon Melo Alves
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Mex$922.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.8 (9 Ratings)
Paperback Apr 2024 230 pages 1st Edition
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Mex$179.99 Mex$738.99
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Mex$922.99
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Arrow left icon
Profile Icon Maicon Melo Alves
Arrow right icon
Mex$922.99
Full star icon Full star icon Full star icon Full star icon Half star icon 4.8 (9 Ratings)
Paperback Apr 2024 230 pages 1st Edition
eBook
Mex$179.99 Mex$738.99
Paperback
Mex$922.99
Subscription
Free Trial
eBook
Mex$179.99 Mex$738.99
Paperback
Mex$922.99
Subscription
Free Trial

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Accelerate Model Training with PyTorch 2.X

Deconstructing the Training Process

We already know that training neural network models takes a long time to finish. Otherwise, we would not be here discussing ways to run this process faster. But which characteristics make the building process of these models so computationally heavy? Why does the training step take so long? To answer these questions, we need to understand the computational burden of the training phase.

In this chapter, we will first remember how the training phase works under the hood. We will understand what makes the training process so computationally heavy.

Here is what you will learn as part of this first chapter:

  • Remembering the training process
  • Understanding the computational burden of the training phase
  • Understanding the factors that influence training time

Technical requirements

You can find the complete code of the examples mentioned in this chapter in the book’s GitHub repository at https://github.com/PacktPublishing/Accelerate-Model-Training-with-PyTorch-2.X/blob/main.

You can access your favorite environment to execute this notebook, such as Google Colab or Kaggle.

Remembering the training process

Before describing the computational burden imposed by neural network training, we must remember how this process works.

Important note

This section gives a very brief introduction to the training process. If you are totally unfamiliar with this topic, you should invest some time to understand this theme before moving to the following chapters. An excellent resource for learning this topic is the book entitled Machine Learning with PyTorch and Scikit-Learn, published by Packt and written by Sebastian Raschka, Yuxi (Hayden) Liu, and Vahid Mirjalili.

Basically speaking, neural networks learn from examples, similar to a child observing an adult. The learning process relies on feeding the neural network with pairs of input and output values so that the network catches the intrinsic relation between the input and output data. Such relationships can be interpreted as the knowledge obtained by the model. So, where a human sees a bunch of data, the...

Understanding the computational burden of the model training phase

Now that we’ve brushed up on how the training process works, let’s understand the computational cost required to train a model. By using the terms computational cost or burden, we mean the computing power needed to execute the training process. The higher the computational cost, the higher the time taken to train the model. In the same way, the higher the computational burden, the higher the computing resources required to train the model.

Essentially, we can say the computational burden to train a model is defined by a three-fold factor, as illustrated in Figure 1.6:

Figure 1.6 – Factors that influence the training computational burden

Figure 1.6 – Factors that influence the training computational burden

Each one of these factors contributes (to some degree) to the computational complexity imposed by the training process. Let’s talk about each one of them.

Hyperparameters

Hyperparameters define two aspects of neural networks...

Quiz time!

Let’s review what we have learned in this chapter by answering eight questions. At first, try to answer these questions without consulting the material.

Important note

The answers to all these questions are available at https://github.com/PacktPublishing/Accelerate-Model-Training-with-PyTorch-2.X/blob/main/quiz/chapter01-answers.md.

Before starting the quiz, remember that it is not a test at all! This section aims to complement your learning process by revising and consolidating the content covered in this chapter.

Choose the correct option for the following questions:

  1. Which phases comprise the training process?
    1. Forward, processing, optimization, and backward.
    2. Processing, pre-processing, and post-processing.
    3. Forward, loss calculation, optimization, and backward.
    4. Processing, loss calculation, optimization, and post-processing.
  2. Which factors impact the computational burden of the training process?
    1. Loss function, optimizer, and parameters.
    2. Hyperparameters...

Summary

We have reached the end of the first step of our training acceleration journey. You started this chapter by remembering how the training process works. In addition to refreshing concepts such as datasets and samples, you remembered the four phases of the training algorithm.

Next, you learned that hyperparameters, operations, and parameters are the three-fold factors influencing the training process’s computational burden.

Now that you have remembered the training process and understood what contributes to its computational complexity, it’s time to move on to the next topic.

Let’s take our first steps to learn how to accelerate this heavy computational process!

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Key benefits

  • Reduce the model-building time by applying optimization techniques and approaches
  • Harness the computing power of multiple devices and machines to boost the training process
  • Focus on model quality by quickly evaluating different model configurations
  • Purchase of the print or Kindle book includes a free PDF eBook

Description

This book, written by an HPC expert with over 25 years of experience, guides you through enhancing model training performance using PyTorch. Here you’ll learn how model complexity impacts training time and discover performance tuning levels to expedite the process, as well as utilize PyTorch features, specialized libraries, and efficient data pipelines to optimize training on CPUs and accelerators. You’ll also reduce model complexity, adopt mixed precision, and harness the power of multicore systems and multi-GPU environments for distributed training. By the end, you'll be equipped with techniques and strategies to speed up training and focus on building stunning models.

Who is this book for?

This book is for intermediate-level data scientists who want to learn how to leverage PyTorch to speed up the training process of their machine learning models by employing a set of optimization strategies and techniques. To make the most of this book, familiarity with basic concepts of machine learning, PyTorch, and Python is essential. However, there is no obligation to have a prior understanding of distributed computing, accelerators, or multicore processors.

What you will learn

  • Compile the model to train it faster
  • Use specialized libraries to optimize the training on the CPU
  • Build a data pipeline to boost GPU execution
  • Simplify the model through pruning and compression techniques
  • Adopt automatic mixed precision without penalizing the model's accuracy
  • Distribute the training step across multiple machines and devices
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Length: 230 pages
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ISBN-13 : 9781805120100
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Table of Contents

16 Chapters
Part 1: Paving the Way Chevron down icon Chevron up icon
Chapter 1: Deconstructing the Training Process Chevron down icon Chevron up icon
Chapter 2: Training Models Faster Chevron down icon Chevron up icon
Part 2: Going Faster Chevron down icon Chevron up icon
Chapter 3: Compiling the Model Chevron down icon Chevron up icon
Chapter 4: Using Specialized Libraries Chevron down icon Chevron up icon
Chapter 5: Building an Efficient Data Pipeline Chevron down icon Chevron up icon
Chapter 6: Simplifying the Model Chevron down icon Chevron up icon
Chapter 7: Adopting Mixed Precision Chevron down icon Chevron up icon
Part 3: Going Distributed Chevron down icon Chevron up icon
Chapter 8: Distributed Training at a Glance Chevron down icon Chevron up icon
Chapter 9: Training with Multiple CPUs Chevron down icon Chevron up icon
Chapter 10: Training with Multiple GPUs Chevron down icon Chevron up icon
Chapter 11: Training with Multiple Machines Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

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Full star icon Full star icon Full star icon Full star icon Half star icon 4.8
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Amazon Customer Jun 01, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Accelerate model training with PyTorch is a comprehensive guide for data scientists looking to enhance their model training efficiency using PyTorch. With a focus on optimization techniques and performance tuning, this book provides valuable insights and strategies to significantly reduce model-building time and maximize computing resources.The book starts by addressing the impact of model complexity on training time and gradually progresses to advanced topics such as compiling models, utilizing specialized libraries for CPU optimization, and building efficient data pipelines to enhance GPU execution. Readers will benefit from learning about pruning and compression techniques to simplify models, adopting mixed precision for faster computations, and exploring distributed training across multiple machines and devices.What sets this book apart is its practical approach to speeding up model training without compromising quality. The author's expertise shines through in the clear explanations and actionable strategies provided throughout the chapters.Overall, this book serves as a valuable resource for data scientists seeking to optimize their model training process and focus on building exceptional machine learning models. Whether you're looking to harness the computing power of multiple devices or streamline your training workflow.
Amazon Verified review Amazon
tt0507 May 26, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
The book is written for intermediate—to advanced-level data scientists and engineers who want to harness the power of PyTorch. The chapter on building efficient data pipelines and simplifying models was very useful. The best part about this book was the detailed explanations of using GPU to train models. Many chapters included knowledge about optimizing CPU/GPU and serve as a great reference when training models on GPUs. Overall, the book has a good balance of visualization, code (both GitHub repo and code reference within the book), and explanation, which helps to understand the concepts explained in the book better.
Amazon Verified review Amazon
Pratyush Jun 26, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This is a great book for data scientists and engineers. It explains how to speed up training machine learning models using PyTorch 2.0. The book covers various techniques like using specialized libraries, optimizing data pipelines, and distributed training. It includes practical examples and clear explanations, making it easy to understand. This book is perfect for anyone who wants to make their model training faster and more efficient, whether you're a student, researcher, or professional in the field.
Amazon Verified review Amazon
Soni Raju Aug 13, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
It was a great text about the various use cases. If there was more detail about the software’s limitations, it would have been even better.
Amazon Verified review Amazon
Didi Jul 06, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
The deep learning (DL) revolution has completely transformed the fields of computer vision and natural language processing in recent years, and DL is becoming more and more important in many other areas of science and engineering. With increasing model sizes and limited hardware resources, the need to accelerate DL model training is becoming a critical part of almost any real-world work in DL.This book, written by a high-performance computing (HPC) expert, is a unique and comprehensive guide to accelerating DL model training using PyTorch. This practical guide begins with an introduction to DL model model training and ways to accelerate it, including topics such as model compilation and building efficient data pipelines. It proceeds with more advanced strategies for acceleration, like model simplification and using mixed precision. The last part of the book describes a variety of useful techniques and strategies for CPU, GPU and multi-node distributed training.To get the most out of this book, readers are expected to have some familiarity with machine learning, PyTorch, and Python. System analysts and system administrators responsible for providing and maintaining infrastructure for AI workloads can also greatly benefit from this book.To summarize, this book is a wonderful, up-to-date resource for researchers, data scientists, software engineers, and system administrators interested in accelerating DL model training using PyTorch and relevant libraries in its ecosystem. Highly recommended!
Amazon Verified review Amazon
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