Well from what I remember, the celeron 266 is about 20-25% slower than the
PII 233 running an average mix of instructions through it. (If my memory
serves me right) This performance decrease is due to Intel eliminating the
off-chip cache on the celeron to lower its cost. I think even the old
Pentium 233 runs better than the celelron. Of course if your program
doesn't need to access main memory much, the higher the clock the better.
But if your program has to access memory a lot, off-chip cache is pretty
important for performance.
david
At 02:38 PM 6/5/98 +1000, you wrote:
>Our Linux box does some heavy duty floating point maths, but, like
>everyone, we have a limited budget.
>One option that has occurred to us is to use celeron chips rather than
>PII's.
>We can buy a much faster celeron chip for the price and overclock them
>as they are cheap enough to replace if we destroy them.
>We have tested our process with a single celeron and get the required
>performance, but have two questions:
> 1/ Will 2 celerons work together, we can't think of a reason why
>not but thought we should ask
> 2/ Will we get the same performance gain from a celeron pair as
>we would from a PII pair or would they be competing to much for access
>to main memory without the cache's. We will be running 100MHz
>motherboards so we think the smaller difference between cpu and main
>memory speeds will offset this to some extent.
>
>Has anyone tried this and can they give us their feelings on the matter
>(and any stats they may have gathered :-) ).
>
>Regards
>Greg
>
>
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