In <[email protected]>,
on 08/12/2010
at 07:51 AM, "McKown, John" <[email protected]> said:
>New instructions do not necessarily run more efficiently than
>previous instructions. It depends on what the instructions do, of
>course. I have not tested it myself, but I've been told that on some
>processors, the MVCL instruction is actually slower than doing a
>corresponding loop using MVC. And I wonder if MVCLE is more efficient
>than MVCL. I also remember when IBM went from BiPolar machines
>(3090?)
The high end ES/9000 processors that followed the 3090 were also
bipolar.
>to CMOS (?).
Multiprise and 9672 boxen. Also, the entry level and midrange boxen
were never bipolar.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
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