performance

Asked on 10/05/2024

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The topic of performance was discussed in several sessions at WWDC 2024. Here are some key points:

  1. Explore Swift Performance: This session delves into the multidimensional and situational nature of performance. It emphasizes the importance of understanding both high-level and low-level performance issues, using tools like Instruments to identify and solve problems. The session also highlights the role of Swift's powerful optimizer and the need for regular performance monitoring to identify regressions. You can explore more about performance in Swift by checking out the session Explore Swift performance (01:46).

  2. What’s New in Xcode 16: This session introduces the new flame graph feature in Instruments, which provides a high-level overview of trace execution. It helps in identifying performance issues by visualizing code execution intervals. The session also discusses using the time profiler instrument to diagnose performance problems, such as high CPU usage during app launch. For more details, see What’s new in Xcode 16 (19:44).

  3. Deploy Machine Learning and AI Models on-device with Core ML: This session covers performance tools for machine learning models, including a performance report that offers detailed information on load and prediction times, and compute unit usage. It helps identify bottlenecks in your network by sorting operations based on their estimated time. For more information, refer to Deploy machine learning and AI models on-device with Core ML (15:27).

These sessions provide a comprehensive overview of performance considerations across different areas of development, from Swift programming to machine learning and app development in Xcode.