On May 24, 2012, at 1:14 AM, Gerriet M. Denkmann wrote: > Without Arc, this: > > NSString *s = [ [ NSString alloc ] initWithFormat: ...]; > [ someCollection addObject: s ]; > [ s release ]; > > is clearly more efficient (because not using autoreleasepools) than: > > NSString *s = [ NSString stringWithFormat: ...]; > [ someCollection addObject: s ]; > > But what about Arc? > Is the compiler clever enough to make both versions equally efficient? > Or should one still avoid using the convenience method stringWithFormat: ?
As a rule, ARC tries to keep objects out of the local autorelease pool, and can usually succeed at that even when working with code that is not itself compiled under ARC. I would use whichever method makes sense to you and only worry about high watermark issues if you discover a performance issue. -- David Duncan _______________________________________________ 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
