On Wed, Jan 22, 2014 at 6:58 AM, Steve Comstock <[email protected]>wrote:
> On 1/22/2014 12:57 AM, Itschak Mugzach wrote: > >> 64 bit addressing execution is faster if less access to real memory is >> required to fetch the next instruction. This is what quadword promise, >> is'It? the "performance gain" is also depend on the logic of the program >> (if commands sequenced well with less brunch instructions). >> >> ITschak >> > > Yes, I can see where brunch would slow things down. Almost makes > one sleepy now ... :-) > > -Steve > > Ah, our machine is old and so doesn't implement the brunch instruction. But it seems to have a "coffee break" sequence in the microcode. I.e. it is "knee capped". <GRIN/> -- Wasn't there something about a PASCAL programmer knowing the value of everything and the Wirth of nothing? Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
