Dramatically accelerate the building process of complex models using PyTorch to extract the best performance from any computing environmentKey FeaturesReduce the model-building time by applying optimization techniques and approachesHarness the computing power of multiple devices and machines to boost the training processFocus on model quality by quickly evaluating different model configurationsBook DescriptionPenned by an expert in High-Performance Computing (HPC) with over 25 years of experience, this book is your guide to enhancing the performance of model training using PyTorch, one of the most widely adopted machine learning frameworks.You'll start by understanding how model complexity impacts training time before discovering distinct levels of performance tuning to expedite the training process. You'll also learn how to use a new PyTorch feature to compile the model and train it faster, alongside learning how to benefit from specialized libraries to optimize the training process on the CPU. As you progress, you'll gain insights into building an efficient data pipeline to keep accelerators occupied during the entire training execution and explore strategies for reducing model complexity and adopting mixed precision to minimize computing time and memory consumption. The book will get you acquainted with distributed training and show you how to use PyTorch to harness the computing power of multicore systems and multi-GPU environments available on single or multiple machines.By the end of this book, you'll be equipped with a suite of techniques, approaches, and strategies to speed up training, so you can focus on what really matters-building stunning models!What you will learnCompile the model to train it fasterUse specialized libraries to optimize the training on the CPUBuild a data pipeline to boost GPU executionSimplify the model through pruning and compression techniquesAdopt automatic mixed precision without penalizing the model's accuracyDistribute the training step across multiple machines and devicesWho this book is forThis 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.About the AuthorDr. Maicon Melo Alves is a senior system analyst and academic professor specialized in High Performance Computing (HPC) systems. In the last five years, he got interested in understanding how HPC systems have been used to leverage Artificial Intelligence applications. To better understand this topic, he completed in 2021 the MBA in Data Science of Pontificia Universidade Catolica of Rio de Janeiro (PUC-RIO). He has over 25 years of experience in IT infrastructure and, since 2006, he works with HPC systems at Petrobras, the Brazilian energy state company. He obtained his D.Sc. degree in Computer Science from the Fluminense Federal University (UFF) in 2018 and possesses three published books and publications in international journals of HPC area. Table of ContentsDeconstructing the Training ProcessTraining Models FasterCompiling the ModelUsing Specialized LibrariesBuilding an Efficient Data PipelineSimplifying the ModelAdopting Mixed PrecisionDistributed Training at a GlanceTraining with Multiple CPUsTraining with Multiple GPUsTraining with Multiple Machines