Faster startup

Asked on 08/10/2024

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To improve startup times, several sessions at WWDC 2024 discussed relevant techniques and tools:

  1. Core ML: In the session "Deploy machine learning and AI models on-device with Core ML," a speedup in model execution is mentioned, which doesn't require recompiling models or changing code. This improvement is part of the OS enhancements and can lead to faster startup times for applications using machine learning models. Deploy machine learning and AI models on-device with Core ML.

  2. Xcode 16: The session "What’s new in Xcode 16" highlights several improvements that can lead to faster startup times:

    • The introduction of explicit modules, which improve build parallelism and diagnostics, potentially reducing the time it takes to build and launch applications. What’s new in Xcode 16.
    • The thread performance checker now includes diagnostics for slow app launches, helping developers identify and fix performance bottlenecks. What’s new in Xcode 16.
  3. AVFoundation: In the session "Discover media performance metrics in AVFoundation," insights into startup times for media playback are provided. By analyzing client-side metrics, developers can identify and address issues that affect startup times, such as content key requests. Discover media performance metrics in AVFoundation.

These sessions provide various strategies and tools to help developers optimize startup times for their applications across different domains.