Why not [aMutableString setString:@""];?

Sandor Szatmari

On Jul 31, 2013, at 16:32, Vincent Habchi <vi...@macports.org> wrote:

> Greg,
> 
> thanks for diverting some of your time testing this. As someone already 
> commented, the results are somehow consistent with “common sense”, whatever 
> that means (cf. below).
> 
>> ARC and non-ARC scores are the same within measurement noise, except for 
>> [NSMutableString string] where ARC can optimize the autoreleased return 
>> value so the test doesn't need to spin the autorelease pool. Note th
> 
> The end of your message somehow got lost in the cyberspace.
> 
> I thus suppose that to “clean” a NSMutableString, it is faster to recreate 
> another one rather than use -deleteCharactersInRange: with a range covering 
> the whole string.
> 
> Thanks again so much to everybody for your enlightening advice.
> 
> Vincent
> 
> —
> “Common sense is the collection of prejudices acquired by age eighteen.” A. 
> Einstein.
> 
> 
> 
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