Re: Cycles per ASM instruction

On Feb 20, 6:22 pm, glen herrmannsfeldt <g...@[EMAIL PROTECTED]
> wrote:
> They were available for most of the S/360 machines, with the possible
> exception of the 91.  Even for the 91, though, timings were available
> for library routines for Fortran and PL/I.  (Maybe more, those are
> the ones I know about.)
>
> They are in the "Functional Characteristics" manual for each model.
> Starting in the S/370 series they weren't available for all models,
> I am not so sure about the low end ones, though.


I still have the set for the various 4341 models.  Some of the
descriptions were quite complex.  MP runs on to eight different cases,
each being a formula with at least seven or eight terms.  These were
some screaming machines though:  the 4341-12 shows AR as being
288ns.  ;-)