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!).