Performance and debugging
ARC traffic optimization
In Time Profiler, the top entries on the scrolling hot path are swift_retain, swift_release, and swift_bridgeObjectRetain. Why does this happen?
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Performance and debuggingShort answerBasics
All you've got is vague feedback that "the app is slow." How do you approach that with In…
#time-profiler
Performance and debuggingMultiple choiceIntro
Tapping a certain button freezes the screen for about a second. To see which function on …
#time-profiler
Performance and debuggingShort answerBasics
You're asked to "optimize this function, it's slow." What do you do before you touch the …
#optimization
Performance and debuggingShort answerExpert
You run Time Profiler and 80% of main thread time lands in CA::Transaction::commit or UIK…
#time-profiler