In <[EMAIL PROTECTED]>, on 12/20/2005
at 08:54 AM, Anne & Lynn Wheeler <[EMAIL PROTECTED]> said:
>i did some work with a 165/168 processor engineer ... he said that
>one of the things for the 165->168 transition was that they reduced
>the avg. machine cycle time per instruction from avg 2.1 machine
>cycles to 1.6 machine cycles (besides 168 having faster memory and
>misc other things).
That would have included slow instruction types like multiply, dive
and FP. But weren't such instructions as boolean and integer add
already single cycle, assuming that the I-unit could keep up?
>there was some mvs kernel performance assist microcode done for 3033
I still have the manual.
--
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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