Instrumenting a 5 second screen load
The account detail screen in a banking app takes 5 seconds to first display. To avoid fixing on gut feeling, into which stages would you split and measure those 5 seconds?
Performance and debuggingShort answerBasics
All you've got is vague feedback that "the app is slow." How do you approach that with In…
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Performance and debuggingMultiple choiceIntro
Tapping a certain button freezes the screen for about a second. To see which function on …
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Performance and debuggingShort answerExpert
You run Time Profiler and 80% of main thread time lands in CA::Transaction::commit or UIK…
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Performance and debuggingShort answerExpert
In Time Profiler, the top entries on the scrolling hot path are swift_retain, swift_relea…
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