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Download Garbage Collection Programming Guide (Retired
Transcript
Contents Introduction to Garbage Collection 6 Who Should Read This Document? 6 Organization of This Document 6 See Also 7 Garbage Collection for Cocoa Essentials 8 Basic Concepts 8 How the Garbage Collector Works 8 Root Set and Reference Types 9 Enabling Garbage Collection 10 Foundation Tools 11 Design Patterns to Use, and to Avoid 12 Finalizing objects 12 Don't manage scarce resources with object lifecycle 12 Nib files 12 Triggering garbage collection 13 Threading 13 Prune caches 13 Avoid allocating large numbers of short-lived objects 13 Compile GC-Only 13 C++ 13 Adopting Garbage Collection 14 Advantages and Disadvantages 14 Performance 15 Architecture 17 Motivation and Design Goals 17 High-Level Architecture 20 How the Garbage Collector Works 20 Closed vs. Open Systems 22 Write Barriers 22 What Does a Write-Barrier Do? 23 Write-Barrier Implementation 23 Retired Document | 2012-07-23 | Copyright © 2012 Apple Inc. All Rights Reserved. 2
