iOS 内存
Asked on 06/17/2025
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The sessions from WWDC that discuss iOS memory management, particularly focusing on heap memory, are "Explore Swift performance" and "Analyze heap memory."
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Explore Swift performance: This session covers various aspects of memory allocation in Swift, including stack and heap memory. It explains how Swift manages memory using reference counting and discusses the memory layout and representation of values in Swift. You can find more about memory allocation in the Memory allocation chapter.
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Analyze heap memory: This session provides a comprehensive overview of heap memory, including tools for inspecting heap memory issues, managing transient and persistent memory growth, and fixing memory leaks. It also covers the use of Xcode's memory graph debugger and Malloc stack logging for tracking memory usage. The session starts with a Heap memory overview and goes into detail about tools and techniques for managing memory.
If you have specific questions about memory management in iOS or need timestamps for particular topics, feel free to ask!
Explore Swift performance
Discover how Swift balances abstraction and performance. Learn what elements of performance to consider and how the Swift optimizer affects them. Explore the different features of Swift and how they’re implemented to further understand the tradeoffs available that can impact performance.
Analyze heap memory
Dive into the basis for your app’s dynamic memory: the heap! Explore how to use Instruments and Xcode to measure, analyze, and fix common heap issues. We’ll also cover some techniques and best practices for diagnosing transient growth, persistent growth, and leaks in your app.
Improve memory usage and performance with Swift
Discover ways to improve the performance and memory management of your Swift code. We’ll explore ways to refine your code – from making high-level algorithmic changes to adopting the new InlineArray and Span types for finer control over memory and allocations.