thread explosion
Asked on 06/13/2025
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It seems like you're interested in the topic of "thread explosion," which is often related to concurrency issues in programming. At Apple's WWDC, there were several sessions that discussed concurrency, particularly in Swift, which can help manage and optimize thread usage in applications.
Relevant Sessions
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Embracing Swift concurrency: This session covers how to effectively use Swift concurrency to manage tasks and avoid common pitfalls like data races and thread explosion. It discusses the use of asynchronous tasks, actors, and the concurrent thread pool to improve app performance and responsiveness. You can explore more about concurrency and how to manage it effectively in this session.
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Code-along: Elevate an app with Swift concurrency: This session provides practical techniques for improving app performance using Swift concurrency. It includes examples of running tasks on background threads and preventing data races, which are crucial for avoiding thread explosion.
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What’s new in Xcode 16: This session introduces new debugging tools in Xcode, such as the thread performance checker and flame graph, which can help identify and resolve threading issues in your code.
Chapter Markers
- Embracing Swift concurrency (10:22) - Introducing concurrency
- Code-along: Elevate an app with Swift concurrency (15:58) - Parallelizing tasks
- What’s new in Xcode 16 (09:07) - Thread performance checker
These sessions provide insights into managing concurrency effectively to prevent issues like thread explosion, ensuring your app remains responsive and efficient.
What’s new in Xcode 16
Discover the latest productivity and performance improvements in Xcode 16. Learn about enhancements to code completion, diagnostics, and Xcode Previews. Find out more about updates in builds and explore improvements in debugging and Instruments.
Embracing Swift concurrency
Join us to learn the core Swift concurrency concepts. Concurrency helps you improve app responsiveness and performance, and Swift is designed to make asynchronous and concurrent code easier to write correctly. We’ll cover the steps you need to take an app through from single-threaded to concurrent. We’ll also help you determine how and when to make the best use of Swift concurrency features – whether it’s making your code more asynchronous, moving it to the background, or sharing data across concurrent tasks.
Code-along: Elevate an app with Swift concurrency
Learn how to optimize your app’s user experience with Swift concurrency as we update an existing sample app. We’ll start with a main-actor app, then gradually introduce asynchronous code as we need to. We’ll use tasks to optimize code running on the main actor, and discover how to parallelize code by offloading work to the background. We’ll explore what data-race safety provides, and work through interpreting and fixing data-race safety errors. Finally, we’ll show how you can make the most out of structured concurrency in the context of an app.