How GCD works?

Asked on 08/12/2024

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General Concurrency Dispatch (GCD) is a technology used in Apple's operating systems to manage concurrent operations. It allows developers to execute tasks in parallel, improving the efficiency and responsiveness of applications. GCD provides a way to manage queues of tasks, which can be executed on different threads, without the developer having to manage the threads directly.

At WWDC, Apple often discusses enhancements and best practices related to concurrency, including the use of Swift concurrency features. For example, in the session "Migrate your app to Swift 6," there is a discussion about adopting Swift concurrency to improve the organization and execution of concurrent tasks. This involves using actors to manage tasks on the main queue and background operations, which can help streamline the concurrency architecture of an app.

If you're interested in learning more about concurrency and how it is managed in Swift, you might want to check out the session "Migrate your app to Swift 6," particularly the chapter on adopting concurrency features.