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Debunking C++ Myths

Debunking C++ Myths

By : Alexandru Bolboaca, Ferenc-Lajos Deák
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Debunking C++ Myths

Debunking C++ Myths

5 (1)
By: Alexandru Bolboaca, Ferenc-Lajos Deák

Overview of this book

Think you know C++? Think again. For decades, C++ has been clouded by myths and misunderstandings—from its early design decisions to misconceptions that still linger today. Claims like "C++ is too hard to learn" or "C++ is obsolete" are often rooted in some truth, but they are outdated and fail to capture the language’s ongoing evolution and modern capabilities. Written by industry veterans with over 40 years of combined experience, this book uncovers the myths, exploring their origins and relevance in the context of today’s C++ landscape. It equips you with a deeper understanding of advanced features and best practices to elevate your projects. Each chapter tackles a specific misconception, shedding light on C++'s modern features, such as smart pointers, lambdas, and concurrency. You’ll learn practical strategies to navigate common challenges like code portability and compiler compatibility, as well as how to incorporate modern best practices into your C++ codebase to optimize performance and future-proof your projects. By the end of this book, you’ll have a comprehensive understanding of C++'s evolution, equipping you to make informed decisions and harness its powerful features to enhance your skills, coding practices, and projects.
Table of Contents (15 chapters)
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The Fastest C++ Code is Inline Assembly

Lower than this you should not get

In the fast-paced world of C++ developers, where efficiency is paramount, optimizing code to squeeze out every last drop of performance has always been a fascinating challenge. This journey often takes developers down to the very roots of computing, where C++ meets assembly language, and every CPU cycle counts.

Circa three decades ago, during the wild 90s, programmers frequently had to manually craft every byte of executable code, often diving into the murky waters of assembly language (and even lower) to achieve the desired performance. These early pioneers of optimization developed techniques that, while rudimentary by today’s standards, laid the groundwork for understanding the power and limitations of both C++ and assembly.

This exploration delves into the specifics of optimizing a seemingly simple task, lighting up a pixel on the screen, by comparing handcrafted and optimized assembly routines...

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