Re: NSKeyedArchiver finishEncoding takes forever
Re: NSKeyedArchiver finishEncoding takes forever
- Subject: Re: NSKeyedArchiver finishEncoding takes forever
- From: Markus Spoettl <email@hidden>
- Date: Wed, 18 Jun 2008 14:17:25 -0700
On Jun 18, 2008, at 1:59 PM, Quincey Morris wrote:
Yes, but look at where the time is *really* being spent. At a guess,
finishEncoding is comparing every number object against every other
number object to see if it can archive just one object of each
distinct numeric value. With the number of objects you said you're
using, this O(n**2) optimization -- if that's what it's doing -- is
hideously expensive.
Exactly and the test data isn't particularly big. Any ideas how to
tell the archiver not to do this with my doubles (that doesn't involve
conversion to strings and back)?
Regards
Markus
--
__________________________________________
Markus Spoettl
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