![]() ![]() But on this platform, even small, momentary stalls are disruptive to responsiveness. They occur when an app's main thread is stalled on doing work for a period of time. To sustain great performance, apps need to be optimized for system power use, to reduce the likelihood of encountering thermal pressure. Users want apps optimized for power, not for battery life, but because of thermal pressure. With spatial computing, some of these metrics take on new meaning. They also want apps that avoid terminations from inefficient memory use. On any platform, people want apps that launch quickly, avoid disk wear, and don't use too much battery. You may already be familiar with performance metrics from other Apple platforms. Let's talk about how to profile and analyze your app for performance issues. People want apps to be immediately responsive to input and to provide smooth visual updates for a sense of immersion and comfort. To deliver a great user experience, performance in your app is essential. To handle multitasking and the additional system work, optimize your own app's resource usage as much as you can. People will use your app with other apps. The platform is also always running spatial algorithms to create visuals and interactions across every app, and can run multiple apps at the same time. This means the system is always rendering every frame at all times. Whenever people move their body, hands, or eyes, content needs to be updated. So what makes spatial computing different for power and performance? For one, the content on the display is always being updated, regardless of app updates. And finally, we'll take a tour of the best ways to optimize performance issues for this platform. We'll then go over building a performance plan, starting with profiling your app. We'll first look at the unique aspects of this new platform for performance and power. Today, we'll learn how you can optimize your app for spatial computing. ♪ Mellow instrumental hip-hop ♪ ♪ Hi, my name's Roy, and I'm an engineer on the Performance team. Search the forums for tag wwdc2023-10100.Have a question? Ask with tag wwdc2023-10100.25:20 - Avoid terminations from thermal and memory pressure.24:12 - Bring great performance to SharePlay experiences.22:09 - Explore audio and video playback performance.18:57 - Learn about user input performance.16:55 - Optimize Metal apps for render performance.10:50 - Optimize RealityKit content for render performance.8:13 - Optimize SwiftUI and UIKit content for render performance.0:38 - Explore performance with spatial computing.We'll cover the unique power characteristics of the platform, explore building a performance plan, and share some of the tools and strategies to test and optimize your apps. Learn how you can create powerful apps and games for visionOS by optimizing for performance and efficiency. Optimize app power and performance for spatial computing. ![]()
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