> On 30 Sep 2016, at 3:48 AM, Gabriel Zachmann <z...@tu-clausthal.de> wrote:
> 
> I was just a little bit hesitant to use the regular ScreenSaverDefaults for 
> those really small pieces of data that change every time,
> because I already use the ScreenSaverDefaults to store quite a bit of other 
> data (that changes only rarely) , in total 15 MB.
> 
> That means the OS has to write all of that data back to disk just because I 
> have changed an integer,
> doesn't it?


Don’t prematurely optimize.

Try it and see. How defaults are implemented is hidden - it may be a disk write 
or it may not, that’s a detail you don’t need to consider. If it turns out it’s 
really slow, and that is a problem, then worry about it. I suspect you won’t 
have to.

—Graham



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