Re: 65020 CPU? Look this...

["Ranando King" <rk@magictouchcorp.com>]

Just 1 little question after that big blurb I just wrote...

Why exactly would you care if a high speed 32bit 65xx machine could compete
with an x86 machine of the same speed?

R.


"Bryan Parkoff" <nospam@nospam.com> wrote in message
news:5mFVd.60450$iC4.13703@newssvr30.news.prodigy.com...
>
> "Eric Smith" <eric@brouhaha.com> wrote in message
> qhacpl5y5u.fsf@ruckus.brouhaha.com">news:qhacpl5y5u.fsf@ruckus.brouhaha.com...
> > "Bryan Parkoff" <nospam@nospam.com> writes:
> >> I would predict that 6502 CPU can run at 2GHz
> >> which it would be much faster than Intel Pentium 2GHz and other
> >> processors
> >> because 6502 is only focused in the cycle performance.  I would claim
> >> that
> >> 6502 CPU is the best design with clever optimization however Intel
always
> >> does not do their good job for CPU design.
> >
> > The Pentium 4 and Pentium M execute on average more than one instruction
> > per clock cycle.  How is your hypothetical 2 GHz 6502 going to even
> > come close to that?
> >
> > Intel's processors don't do nearly as much work per clock cycle as AMD
> > processors, but they run at higher clock rates, so the actual system
> > performance is similar, though AMD has a slight edge for some things and
> > Intel for others.  Although I personally prefer AMD, and it does appear
> > that Intel had some missteps last year, on the whole I think you're very
> > much mistaken in your claim that Intel does not do a good job of CPU
> > design.
> >
> > I've been a 6502 user and fan since 1976 (though I like the 6809 even
> > better), but stretching it to 32 bits and running it faster is NOT going
> > to put it into the same league as a Pentium 4 or Athlon 64 by any
> > stretch of the imagination.
> Eric,
>
>     Please remember that I am against 2 or more instructions per clock
> cycle.  It is because of many mispredict branch and other mispredict
> instructions that can reduce or degrade cycle performance.  I never agree
> with the manufacturer CPU design however I have to stick with 6502 CPU
which
> I support one instruction per one cycle.  The problem is that original
6502
> CPU has to execute one instruction per two to seven cycles, but it can be
> changed to improve one instruction per one cycle.
>     You have to prove your theory that 6502 CPU with 16 Bits and 32 Bits
may
> be much faster with 2GHz than Intel Pentium 2GHz because it always avoid
> mispredict instructions.  Try to test the theory.
>
> Bryan Parkoff
>
>