Performance and debugging네이버interview report
Large image pipeline
An iOS feature that edits and saves photos of tens of MB gets killed after a memory warning. From decoding to saving, how would you lower the memory peak?
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Performance and debuggingShort answerAdvanced
You need to show a single 50MB photo on screen. If you just load it with UIImage(contents…
#downsampling #memory #imageio
Performance and debuggingShort answerAdvanced
A photo editing app gets frequent memory warnings and sometimes gets killed. In what orde…
#downsampling #memory
iOS system designMultiple choiceIntro
You show 60 thumbnails of 4000×3000 JPEGs in a 3-column grid and memory jumps to several …
#downsampling #memory
Performance and debuggingShort answerAdvanced
Users say "the app just closes," but Crashlytics has nothing. If you suspect out-of-memor…
#memory