Does anyone have any suggestions as to how to speed up a Database sort? I think AddressBook is able to retrieve the data is a quick time. My question concerns DmQuickSort and DmInsertionSort to sort the database. Having even a small database of 300 records can take up to 3-4 seconds. Anything larger is even worse.
If you are running your 68K app on a 5.x device, then one problem is with the comparison routine callback. The Data Mgr has to do an ARM->68K switch with each call to it, and that kills performance. The Address Book on 6.x devices has a special ARM shared library that implements its sorting, and thus avoids this problem.
-- Ken -- Ken Krugler <http://www.krugler.org> +1 530-265-2225
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