Trying not to put you on the spot sorry... Scott ford www.identityforge.com from my IPAD
'Infinite wisdom through infinite means' On Apr 17, 2013, at 3:35 PM, Scott Ford <scott_j_f...@yahoo.com> wrote: > 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!).
