Re: 65020 CPU? Look this...

[Eric Smith <eric@brouhaha.com>]

"Bryan Parkoff" <nospam@nospam.com> writes:
>     Please remember that I am against 2 or more instructions per clock 
> cycle.

It doesn't matter whether you are "for" or "against" it.  The reality
is that a 2 GHz P3 or P4 is going to outperform a 2 GHz 6502.  Saying
that Intel doesn't design processors well is ridiculous.

> I never agree with the manufacturer CPU design however

Obviously you're free to disagree, but the market demonstrates that
you're in the minority.

> 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.

It can only be changed to execute one instruction per cycle by employing
basically the same techniques used in the Pentium (e.g., the branch
prediction that you don't like, and speculative execution).

>     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.

Firstly, that's your theory, not mine.  Secondly, I don't have to prove
anything.

If you don't believe me, go peddle your theories on comp.arch, and see
how many of the computer architecture experts over there can be
convinced to drop superscalar design in favor of your obviously superior
32-bit 6502.

Eric