memory graph
Generated on 4/11/2025
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The session "Analyze heap memory" at WWDC 2024 provides a detailed exploration of memory management, focusing on tools and techniques to analyze heap memory. The session covers various aspects, including the use of the memory graph debugger in Xcode to capture memory graphs, which are snapshots of all allocations and their references. This tool is particularly useful for identifying persistent memory growth and understanding why certain allocations remain in memory.
For a specific discussion on memory graphs, you can refer to the chapter on "Persistent memory growth overview" starting at 13:57 in the session "Analyze heap memory". This section explains how to use the memory graph to investigate persistent memory growth and how to utilize the generation marking feature in Instruments to isolate persistent allocations.
If you are interested in how the Xcode memory graph debugger works, you can check the chapter starting at 16:00 in the same session.
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.