I want to know what is call-by-need. Though I searched in wikipedia and found it here: http://en.wikipedia.org/wiki/Evaluation_strategy, but could not understand properly. If anyone can explain w...

I have been studying Haskell in my spare time for a couple of months now. I'm wondering how Haskell performs on the current stock hardware, in regards to the memory sub-system (L1, L2, L3 cache). C...