videos about heap vs stack
Generated on 2/24/2025
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For information on heap vs stack memory, you can refer to two sessions from WWDC 2024:
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Explore Swift performance: This session discusses the differences between stack and heap memory, including their allocation patterns and performance implications. Stack memory is described as cheap and scoped, suitable for local variables, while heap memory is more flexible but comes with higher allocation and deallocation costs. You can find this discussion in the Memory allocation chapter.
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Analyze heap memory: This session provides a detailed overview of heap memory, including how it fits into an app's virtual memory, tools for measuring heap usage, and strategies for optimizing heap memory. The session starts with a Heap memory overview.
These sessions provide a comprehensive understanding of how heap and stack memory are used in Swift and how to analyze and optimize their performance.
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.