On Mar 8, 2012, at 3:29 PM, Brian Lambert wrote:

> Cool! Thanks for that.
> 
> My tests were run on an 27" iMac 3.4 GHz Intel Core i7. Code was compiled 
> with -O3 (Fastest).
> 
> The PerfTimer I used is my own.  I blogged about it here: 
> http://www.objective-brian.com/334 
> Feedback is welcome.
> 
> Brian

What I’d really to know is exactly what locking mechanism @synthesize uses when 
synthesizing atomic properties. In my testing, @synthesized properties 
completely blow away everything else in terms of performance, taking less than 
1/6 of the time of even OSSpinLock.

Charles

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