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Accelerate Model Training with PyTorch 2.X

Accelerate Model Training with PyTorch 2.X

By : Maicon Melo Alves
4.4 (10)
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Accelerate Model Training with PyTorch 2.X

Accelerate Model Training with PyTorch 2.X

4.4 (10)
By: Maicon Melo Alves

Overview of this book

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.
Table of Contents (17 chapters)
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1
Part 1: Paving the Way
4
Part 2: Going Faster
10
Part 3: Going Distributed

Understanding the mixed precision strategy

The benefits of using lower-precision formats are crystal clear. Besides saving memory, the computing power required to handle data with lower precision is less than that needed to process numbers with higher precision.

One approach to accelerate the training process of machine learning models concerns employing a mixed precision strategy. Along the lines of Chapter 6, Simplifying the Model, we will understand this strategy by asking (and answering, of course) a couple of simple NH questions about this approach.

Note

When searching for information about reducing the precision of deep learning models, you may come across a term known as model quantization. Despite being related terms, the goal of mixed precision is quite different from model quantization. The former intends to accelerate the training process by employing reduced numeric precision formats. The latter focuses on reducing the complexity of trained models to use in the...

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