Comments (4)
Thanks. I try to comment synchronize and also 10 times the test case to see the result, the result is very interesting.
I also wonder if need other test case, like read, write, read, write, ...., to simulator the real world access.
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And what do they mean by deprecate this method? Does that mean NSUserDefaults will never lose data on App crashing? No? Well, here comes MMKV.
It's not about NSUserDefaults being slow, it's about keeping efficiency while not losing data.
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Please refer:https://developer.apple.com/library/archive/releasenotes/Foundation/RN-FoundationOlderNotes/index.html#X10_10Notes
see section: -[NSUserDefaults synchronize] Changes
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Apple declared in iOS 10 release note that
Synchronized to avoid losing data if your app crashed
is not needed anymore. I personally highly doubt that.
Well, let's trust that statement. Try this: comment the synchronize
in the baseline code and run again. You can find out that NSUserDefaults is not any faster. What does that tell you?
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