On Sep 13, 2010, at 5:19 PM, Chris Stephenson <c...@cs.bilgi.edu.tr> wrote:

> ram access takes O (log n) time, where n is the RAM
> size supported by the word length. And if you have some kind of memory 
> hierarchy (cache and RAM, or cache, RAM and disk) then things are definitely 
> not really going to be O(1) when you might naively expect
> then to be, when you do some serious scaling.

Actually, since RAM exists in 3-dimensional space, the propagation delay to the 
memory cell you want is at least the cube root of the memory size; even log(n) 
is unrealistically optimistic.

Stephen Bloch
sbl...@adelphi.edu
> 
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