Sorry I'm new to Obj-C/Cocoa, how would I do this performance profiling?

On 2009-12-08, at 4:50 PM, Mike Abdullah wrote:

> 
> On 8 Dec 2009, at 23:40, PCWiz wrote:
> 
>> Hi,
>> 
>> I am using NSCollectionView for a project in which the collection view is 
>> populated with about 200 items, each containing about 4 subviews (image 
>> view, and a few text fields).
>> 
>> Scrolling is not smooth at all, and lags quite a bit. I'm wondering, would 
>> just drawing the text and images as part of the view in the prototype views 
>> drawRect method yield any increase in smoothness, rather than using subviews?
> 
> Why are you asking us this now? It sounds like you haven't done any 
> performance profiling to find out what's actually slow. Do that and then come 
> back.
> 
> If it suits your needs, IKImageBrowserView is somewhat faster than 
> NSCollectionView.

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