John,

For example, what are Assembler no nos in performance ...I am trying to put you 
'on the spot' ,
I am curious and responsible person, so I would like to know

Best Regards,

Scott ford
www.identityforge.com
from my IPAD

'Infinite wisdom through infinite means'


On Apr 17, 2013, at 2:08 PM, John Ehrman <ehr...@us.ibm.com> wrote:

> Performance concerns about individual instructions aren't worth much
> effort. Things like operand alignment, data and instruction cache
> retention, locality of reference, branch frequency etc. can have really
> significant effects.
>
> Remember that CPU speeds have increased much faster than memory speeds --
> getting an operand from cache can take a cycle or two, but from memory can
> take hundreds or thousands (try causing a page fault!).

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