Re: UIDocument + NSFileWrapper, how to get incremental saving to work?
Re: UIDocument + NSFileWrapper, how to get incremental saving to work?
- Subject: Re: UIDocument + NSFileWrapper, how to get incremental saving to work?
- From: Kyle Sluder <email@hidden>
- Date: Sat, 24 Aug 2013 14:38:55 -0700
On Sat, Aug 24, 2013, at 02:31 PM, Markus Spoettl wrote:
> That's exactly what I'm doing. My save times are so bad, the only
> explanation
> that I can come up with is that UIDocument/NSFileWrapper isn't really
> hard-linking unchanged wrappers. Or it does and also does something else
> to
> counter the gain.
Rather than guess, you should measure.
* What does -matchesContentsOfURL: say when sent to your sub-wrappers?
* Does -matchesContentsOfURL: even get called?
* What does Instruments say is actually going on?
--Kyle Sluder
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