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Asked: 2026-05-15T03:12:03+00:00

Note: I know exactly what a property is. This question is about performance. Using

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Note: I know exactly what a property is. This question is about performance.

Using self.fooBar for READ access seems a waste of time for me. Unnecessary Objective-C messaging is going on. The getters typically simply pass along the ivar, so as long as it’s pretty sure there will be no reasonable getter method written, I think it’s perfectly fine to bypass this heavy guy.

Objective-C messaging is about 20 times slower than direct calls. So if there is some high-performance-high-frequency code with hundreds of properties in use, maybe it does help a lot to avoid unnessessary objective-c messaging?

Or am I wasting my time thinking about this?

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  1. Editorial Team

    This kind of premature optimization should really be postponed until you actually notice or measure (with Instruments.app) a real problem.

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