Re: CPU Types (Was: Re: Hi)
On Sun, 12 Apr 1998, Bruce Jackson wrote:
> Tristan Day wrote:
> >
> > I have a genuine Intel P200 MMX, with 32mb RAM
[snip]
> > Anyway, try your best to get a PII because you won't be able to upgrade much
> > at all, and socket 7 motherboards will become obsolete. This is my problem.
>
> Like you are going to be able to upgrage a socket 1 motherboard. Dude
> do you even know what you are talking about?
I think, today you have better chances to upgrade your socket 7 board,
because AMD and Cyrix have anounced, that they will do further development
for the socket 7 even when they will develop for the slot 1/2 too.
> > The MMX instruction set is what speeds up an MMX CPU, and Linux doesn't use
> > this, because MMX is really aimed at Win95 people for games and graphics
> > (Corel 8 is MMX enhanced) anyway, MMX claims to be 20% faster for any _non_
> > MMX application anyway (ie a P166 MMX is 20% faster than a normal P166 in
> > linux or unix or anything.)
>
> Apparantly the newest binutils does, but you know that because you are a
> developer, correct :) It is not aimed at win95 people. MMX is a very
> poor attempt by intel. Where do you get the 20% from. Of all the
> benchmarks I have seen (many, many) there is around 6% increase, due to
> the extra internal cache. You knew that, right :)
The German computer magazin "c't" has even stated, that you will not find
any application that will have a speed improvement thru MMX (except of the
Inter MMX Media BenchMark ;-). But, the MMX Pentiums have greater cache and
are slightly redesigned. So - if you like to have "Intel inside" take a MMX
Pentium. If you like to have good value for less money, take AMD or Cyrix.
> > The AMD K6 is quite good and I think it's much cheaper but its performance
> > varies. With some benchmarks and applications it runs faster than intel but
> > others it doesn't. I wouldn't but a K6 purely because of higher performance
> > because I'm not convinced.
>
> Faster integer performance, slower floating point performance.
> Understand the architectural differences and you will know why.
That's right, and if you will do much floating point math, take an other
CPU.
> > >>In other words, the difference between a P200 and a P200MMX is nada.<<
> >
> > no no no! It's 20% faster!
>
> The 20% is pure speculation on your part. Show me some SPEC numbers!
Nothing more to say!
> > Good luck, try to find a cheap P2 so you'll be able to upgrade,
>
> Upgrade to what? Look at the intel roadmap for the next 12 months. Not
> much to upgrade to. Pentium II is fast right now, but in 12 months
> current PII won`t be top. Oh the life cycle of the computer. Gotta
> love technology. Looks like its time to replace the old Pentium 262mhz
> :)
Bye
Daniel
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- From: Bruce Jackson <bjackson@pobox.com>