Also, using a datasource instead of bindings I find to be much more performant, especially with particularly large data sets. KVO is surprisingly (or not so surprisingly) heavy. But as Mike pointed out, some basic profiling will tell you why you are experiencing the slowness...
On Oct 26, 2012, at 7:53 AM, Mike Abdullah wrote: > What have you tried? > > You have a performance problem. The very first thing that should ever be done > if you have a performance problem is head over to Instruments and find out > what is slow and why. > > And please don't crosspost between lists. > > On 26 Oct 2012, at 12:17, Abhijeet Singh <abhi_...@in.com> wrote: > >> Hi,In my application I am reading data from a text file and displaying it in >> NSTableView. There are 6 columns in my tableview. My problem is when the >> records in file are more it takes too long to read and display the data. >> e.g. It takes around 1 min to read and display 70,000 records from the file. >> I am using NSArrayController to update my NSTableView. Please suggest some >> solution to make my application faster. Should I read and display only that >> much data that is visible to the user (like in iphone but i dont know how is >> it done OSX?) and update my view on scrolling?Thanks & Regards AbhijeetGet >> Yourself a cool, short @in.com Email ID now! >> _______________________________________________ >> >> 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: >> https://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: > https://lists.apple.com/mailman/options/cocoa-dev/cocoa-dev%40esoteritech.com > > This email sent to cocoa-...@esoteritech.com Keary Suska Esoteritech, Inc. "Demystifying technology for your home or business" _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
