James Carlson <carls...@workingcode.com> writes:
> > "Everybody" is subjective. Case in point : UltraSPARC 1. Lots of
> > people want it. Lots more people think its pointless at this late date,
> > and Sun doesn't want it in ON because they don't want to support it
> > anymore (for good reason, actually!)
> >
> > Who's right?
>
> And when VM and dtrace and ZFS and others in ON make optimizations that
> are either inapplicable or just downright incompatible with UltraSPARC
> 1, what exactly will you do?
>
> That was a very big part of the reason for shutting down UltraSPARC 1:
> to make things easier on those other project teams, so that they don't
> have to lug around the burden of long-dead hardware.
>From my understanding, it was not. UltraSPARC I support was dropped when
32-bit SPARC was removed. The fact that US-I machines run perfectly fine
in 64-bit mode (and have been since Solaris 7) wasn't taken into
consideration. Yes, there was a small risk, but at least you had the
choice. With the wholesale removal, you didn't any longer.
Rainer
--
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Rainer Orth, Center for Biotechnology, Bielefeld University
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