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« on: 27 March 2009, 11:16 »
If you're collecting for example MAME roms and the belonging MAME artwork files (icons, snapshots, etc), you notice that there are differences in the way the sets in the belonging datfiles are organized.
On the one hand you have thousand of sets with some roms in it, on the other hand you got one set containing thousand of roms.
So what's the impact on clrmamepro?
Well..both methods work, however the 1 set / 1000 roms method has an impact on scanner fixing speed. If such a set has lots of changes (new files, some renames, several resized etc), it can take very long(!) to fix that single set. The reason is obvious. The scanner will do most fixes in a queue...so it works over and over again on one single but content-wise huge zipfile.
The best solution in this case would be to rebuild the set instead of using the scanner. The rebuilder will fix wrong names, removes unneeded files for free. After that you can use the rebuilder again to add new stuff. This is much faster.
Good examples are updates on e.g. the MAME Titles, Icons, Snapshot sets.
So a rule to keep in mind: Lots of Sets with only some (< 1000) roms use the Scanner, otherwise use the rebuilder for updating.