Performance and debugging더스윙interview report
Analyzing scroll hitches
A photo feed collection view stutters while scrolling. How do you use Instruments to tell whether the cause is image decoding, layout computation, or cell setup?
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Performance and debuggingShort answerAdvanced
Can you explain the causes of dropped frames, split into the CPU side and the GPU side?
#core-animation
Performance and debuggingShort answerAdvanced
The account detail screen in a banking app takes 5 seconds to first display. To avoid fix…
#performance
Performance and debuggingShort answerBasics
You're reviewing a PR that claims the search results screen got 40% faster. It looks like…
#performance
Performance and debuggingShort answerBasics
Reviews of a secondhand marketplace app keep saying "it gets slow and then closes." How d…
#performance