Warp wrote:

>   I have really hard time believing that if you, for example, calculate
> the sum of all the integers in an array, adding boundary checks to every
> single read operation will add only 4% of overhead.

Accessing "everything in this array" is a pretty common operation - and 
one that an optimising compiler can presumably spot and optimise pretty 
easily.

Now, if you start accessing an array in some really random order... (And 
let's face it, what the hell are arrays especially good at?)

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