On Mar 3, 2014, at 14:26 , Trygve Inda <[email protected]> wrote:

> I did some testing....
> 
> All 3750 in one folder: 40 seconds to save.
> 
> Split into two levels: 16 folders -> 16 folders -> image files: 5 sec
> 
> Three levels: 16 folders -> 16 folders -> 16 folders -> image files: 10 sec

It seems to me this would be good input for a bug report. On a HFS disk (IIRC) 
the directory is stored as a B-tree, presumably because it has the precise 
advantage of “automatically” making levels like this. If the save time is 
something like exponentially related to the number of levels, then that sounds 
like a performance weakness that Apple ought to address.

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