On Jul 31, 2013, at 1:32 PM, Vincent Habchi <vi...@macports.org> wrote: > Greg Parker wrote: >> 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.
The spurious text was an editing error. No content was harmed. > 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. Not necessarily. If you have long string and you want to clear it and re-fill it with another long string, then it may be faster to use -deleteCharactersInRange: in order to avoid memory re-allocation overhead. But that possibility depends on precise implementation details of NSMutableString. -- Greg Parker gpar...@apple.com Runtime Wrangler _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
