Yep.  They drop the interrupt handling in zIIPs and zAAPs to get full
speed processing.

Could have checked the chips on the boards.  Most S/360 models had
some microcode, only the highest model had all instructions in
hardware.

On Sat, May 2, 2020 at 4:58 AM Wayne Bickerdike <wayn...@gmail.com> wrote:
>
> It's interesting that a zIIP can be described as a "speciality" engine yet
> the workload they run also run on a CP engine.
>
> I thought that they are the same basically and it's just another way to
> sell a piece of kit and play bait and switch on pricing.
>
> Years ago we had a 9370 and a company in Melbourne we had some support from
> ran an AS400. Their chief was convinced that the only difference was
> microcode (and price!).
>
>
>
>
>
> On Sat, May 2, 2020 at 1:28 PM Mike Schwab <mike.a.sch...@gmail.com> wrote:
>
> >
> > https://www.eweek.com/networking/neon-settles-mainframe-software-lawsuit-with-ibm
> >
> > On Sat, May 2, 2020 at 3:18 AM Steve Beaver <st...@stevebeaver.com> wrote:
> > >
> > > Actually they Did in Europe. European courts sided with Neon
> > >
> > > Sent from my iPhone
> > >
> > > > On May 1, 2020, at 22:07, Steve Smith <sasd...@gmail.com> wrote:
> > > >
> > > > No.  Neon was a software company.  They sold a product called zPrime
> > that
> > > > allowed unauthorized usage of zIIP and zAAP for almost any kind of
> > > > workload.  IBM already runs much of DB2 on zIIP.
> > > >
> > > > IBM only allows code to run on zIIP when you have specific contracts
> > that
> > > > allow you to for specific things.  Neon either violated those, or more
> > > > likely reverse-engineered it, which is almost certainly a violation of
> > some
> > > > other contract they were bound to.
> > > >
> > > > I don't know any details, but it's hard for me to see how that Neon
> > thought
> > > > they were going to get away with it.
> > > >
> > > > sas
> > > >
> > > >
> > > >> On Fri, May 1, 2020 at 8:42 PM Mike Schwab <mike.a.sch...@gmail.com>
> > wrote:
> > > >>
> > > >> Neon was a product to run some DB2 on zAAPs or zIIPs.  Only the
> > > >> workload specified by IBM could run on those processors.
> > > >>
> > > >>> On Fri, May 1, 2020 at 5:45 PM Peter Baumann <peterhbaum...@gmx.ch>
> > wrote:
> > > >>>
> > > >>> In a lawsuit against Neon Enterprise (John Moores) the court ruled in
> > > >> favor of IBM. They had to take zPrime out of the market.  There was
> > also a
> > > >> permanent injunction issued against Neon.
> > > >>>
> > > >>
> > > >
> > > > ----------------------------------------------------------------------
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> >
> >
> > --
> > Mike A Schwab, Springfield IL USA
> > Where do Forest Rangers go to get away from it all?
> >
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>
>
> --
> Wayne V. Bickerdike
>
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-- 
Mike A Schwab, Springfield IL USA
Where do Forest Rangers go to get away from it all?

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