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From Joe Nathan <>
Subject Re: Tomcat with 8 GB memory
Date Fri, 27 Jul 2007 22:58:41 GMT

Leon Rosenberg-3 wrote:
> Sorry, this just sounds plain wrong. If a 64 bit processor comes with
> 64 bit register it means that it can make an integer 64 bit addition
> (long) in one operation, 

It does in single operation, but it taks twices clock pulse than 32bit!
You cannot perform binary adder operation in parallel. Speed of operation
is measured with the number of clock pulse. 32bit adder may require 
something like 36 clock pulses or close numbers. 64bit require about 70
pulses. Remember that cpu logic gates work in sync with clocks.
Limited number of operations can be performed in a second. The 
number will change depending on your cpu clock pulse, which 
is limited to about 3.5GHz these days. That's why we want more Hz
to get speed. That's the thing that give us the speed!

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