IOS and macOS Performance Tuning - Weiher, Marcel
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Suddenly, program optimization is crucial again. Yesterday's "automatic" increases in computer performance have effectively stopped. iOS devices such as the iPhone, iPad, iPod touch, and Apple TV have dramatically fewer resources: their limited resources must be used as frugally as possible. Now, in Cocoa and Objective-C Performance, Marcel Weiher draws on more than 20 years of experience optimizing software for Apple devices, drilling down to the code level to systematically address optimization of CPU, memory, disk and network I/O and graphics. The only book focused entirely on Cocoa and…mehr

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Produktbeschreibung
Suddenly, program optimization is crucial again. Yesterday's "automatic" increases in computer performance have effectively stopped. iOS devices such as the iPhone, iPad, iPod touch, and Apple TV have dramatically fewer resources: their limited resources must be used as frugally as possible. Now, in Cocoa and Objective-C Performance, Marcel Weiher draws on more than 20 years of experience optimizing software for Apple devices, drilling down to the code level to systematically address optimization of CPU, memory, disk and network I/O and graphics. The only book focused entirely on Cocoa and Objective-C performance optimization, this book is strongly empirically based, identifying concrete issues that can be discovered via measurement, and then addressed through the application of specific techniques and a deep understanding of proven underlying principles. Weiher presents insights you won't find anywhere else - most of which can be easily applied to both Mac and iOS development. He also identifies a series of common pitfalls and misconceptions associated with OS X and iOS performance, revealing why they are wrong, explaining the actual realities, and showing developers how to reflect those realities in more efficient code.
In iOS and macOS™ Performance Tuning, Marcel Weiher drills down to the code level to help you systematically optimize CPU, memory, I/O, graphics, and program responsiveness in any Objective-C, Cocoa, or CocoaTouch program. This up-to-date guide focuses entirely on performance optimization for macOS and iOS. Drawing on 25 years of experience optimising Apple device software, Weiher identifies concrete performance problems that can be discovered empirically via measurement. Then, based on a deep understanding of fundamental principles, he presents specific techniques for solving them. Weiher presents insights you won’t find anywhere else, most of them applying to both macOS and iOS development. Throughout, he reveals common pitfalls and misconceptions about Apple device performance, explains the realities, and helps you reflect those realities in code that performs beautifully.
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Autorenporträt
Marcel Weiher is a software engineeer and researcher with more than 25 years of experience with Cocoa-related technologies. Marcel’s work has always been performance-focused, ranging from solving impossible pre-press problems on the machines of the day via optimizing one of the world’s busiest web properties at the BBC to helping other Apple engineers improve the performance of their code on Apple’s Mac OS X performance team. In addition to helping established companies and startups create award-winning software and turn around development teams, Marcel also teaches, blogs, speaks at conferences, contributes to open source, and invents new techniques such as Higher Order Messaging. He also works on programming languages, starting with an Objective-C implementation in 1987 and culminating in the Objective-Smalltalk architecture research language. Marcel currently works as a principal software engineer at Microsoft Berlin and maintains his own software and consulting company, metaobject ltd.