The Art of Writing Efficient Programs
Cód:
491_9781800208117
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Get to grips with various performance improvement techniques such as concurrency, lock-free programming, atomic operations, parallelism, and memory managementKey Features:Understand the limitations of modern CPUs and their performance impactFind out how you can avoid writing inefficient code and get the best optimizations from the compilerLearn the tradeoffs and costs of writing high-performance programsBook Description:The great free lunch of performance taking care of itself is over. Until recently, programs got faster by themselves as CPUs were upgraded, but that doesnt happen anymore. The clock frequency of new processors has almost peaked. New architectures provide small improvements to existing programs, but this only helps slightly. Processors do get larger and more powerful, but most of this new power is consumed by the increased number of processing cores and other extra computing units. To write efficient software, you now have to know how to program by making good use of the available computing resources, and this book will teach you how to do that.The book covers all the major aspects of writing efficient programs, such as using CPU resources and memory efficiently, avoiding unnecessary computations, measuring performance, and how to put concurrency and multithreading to good use. Youll also learn about compiler optimizations and how to use the programming language (C++) more efficiently. Finally, youll understand how design decisions impact performance.By the end of this book, youll not only have enough knowledge of processors and compilers to write efficient programs, but youll also be able to understand which techniques to use and what to measure while improving performance. At its core, this book is about learning how to learn.What You Will Learn:Discover how to use the hardware computing resources in your programs effectivelyUnderstand the relationship between memory order and memory barriersFamiliarize yourself with the performance implica
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