A little Project with a comparison between several methods to (partially) enumerate Collections in iOS.
For more information read my blog posts at http://www.innovaptor.com/blog/2012/10/23/performance-benchmark-of-methods-for-enumerating-a-nsarray-pt-1.html and http://www.innovaptor.com/blog/2012/12/01/fast-enumeration-part-2-partial-iteration-of-an-array.html