As with every performance question. Don't "assume", MEASURE. Fire up Instruments and find out what is using up the CPU.
On 17 Dec 2009, at 15:22, Richard wrote: > hey > > i have an app that performs searches over a network connection. the app uses > core data to manage all the search requests (currently using an in memory > store), with an array controller and table view bound to the relevant > results. a search query produces up to about 10000 results, and they are > added to the data model in batches of 10 or so. this all works well, until i > add sorting to the array controller. i then find that the CPU use of the > application stays at 100% and things go pretty slowly from that point on. > > i assume this is because with each new search result that is being retrieved > and added to the core data model, the array controller is resorting the > entire collection of search results? can anyone suggest a solution to this > problem? > > thanks > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > http://lists.apple.com/mailman/options/cocoa-dev/cocoadev%40mikeabdullah.net > > This email sent to cocoa...@mikeabdullah.net _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com