Concurrent Programming in Mac OS X and iOS: Unleash Multicore Performance with Grand Central Dispatch by Vandad NahavandipoorConcurrent Programming in Mac OS X and iOS: Unleash Multicore Performance with Grand Central Dispatch by Vandad Nahavandipoor

Concurrent Programming in Mac OS X and iOS: Unleash Multicore Performance with Grand Central…

byVandad Nahavandipoor

Paperback | June 10, 2011

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about

Now that multicore processors are coming to mobile devices, wouldn't it be great to take advantage of all those cores without having to manage threads? This concise book shows you how to use Apple's Grand Central Dispatch (GCD) to simplify programming on multicore iOS devices and Mac OS X.

Managing your application’s resources on more than one core isn't easy, but it's vital. Apps that use only one core in a multicore environment will slow to a crawl. If you know how to program with Cocoa or Cocoa Touch, this guide will get you started with GCD right away, with many examples to help you write high-performing multithreaded apps.

  • Package your code as block objects and invoke them with GCD
  • Understand dispatch queues—the pools of threads managed by GCD
  • Use different methods for executing UI and non-UI tasks
  • Create a group of tasks that GCD can run all at once
  • Instruct GCD to execute tasks only once or after a delay
  • Discover how to construct your own dispatch queues
Vandad Nahavandipoor has developed software using Cocoa, Cocoa Touch,Assembly, Delphi, and .NET for many years. As a staff member of acompany that is a global leader in mobile money solutions in London,he has worked with some of the world's biggest brands--such as Visaand US Bank---to deliver mobile applications to their customers.Vand...
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Title:Concurrent Programming in Mac OS X and iOS: Unleash Multicore Performance with Grand Central…Format:PaperbackDimensions:60 pages, 9.19 × 7 × 0.12 inPublished:June 10, 2011Publisher:O'Reilly MediaLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1449305636

ISBN - 13:9781449305635

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Table of Contents

Preface; Audience; Conventions Used in This Book; Using Code Examples; Safari® Books Online; How to Contact Us; Content Updates; Acknowledgments; Chapter 1: Introducing Block Objects; 1.1 Short Introduction to Block Objects; 1.2 Constructing Block Objects and Their Syntax; 1.3 Variables and Their Scope in Block Objects; 1.4 Invoking Block Objects; 1.5 Memory Management for Block Objects; Chapter 2: Programming Grand Central Dispatch; 2.1 Short Introduction to Grand Central Dispatch; 2.2 Different Types of Dispatch Queues; 2.3 Dispatching Tasks to Grand Central Dispatch; 2.4 Performing UI-Related Tasks; 2.5 Performing Non-UI-Related Tasks Synchronously; 2.6 Performing Non-UI-Related Tasks Asynchronously; 2.7 Performing Tasks After a Delay; 2.8 Performing a Task at Most Once; 2.9 Running a Group of Tasks Together; 2.10 Constructing Your Own Dispatch Queues;