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A collection of videos about Mac, iOS and Swift.

    Power, Performance and Diagnostics: What's new in GCD and XPC

    By Daniel Steffen - (all videos)

    At WWDC 2014

    Slides and Transcript:
    https://developer.apple.com/videos/play/wwdc2014-716

    Tags: core os

    Description:
    Learn about new features in GCD and XPC that help you write responsive energy-efficient apps and diagnose their interactions with the system.

    Watch on apple.com