Re: More celery...

[Al Hudson <nospam [at] york.ac.uk>]

On Thu, 10 Jun 1999, Matthew Collins wrote:

> I've got a QDI board (not on of those unfortunatly) and it's a nice
> board. All the build in bits appear to work well.

Yeah, I've heard good things about them too. I have to say my favourite is
still gigabyte, but there are a lot of good designs knocking about these
days.

> A bit of caution about Dual Celerons. SMP processors even more than
> normal processors use the built in Cache memory alot. Celerons have
> only got 128K of built in cache memory and so will not be as fast at
> keeping in sych with each other as proper PII or PIII chips.

Not entirely true! The Medocino has only 128k L2 cache, this is true, but
that doesn't mean it suffers performance degradation compared to a PII(I).
Why? Because the cache runs at full clock speed on the Medo. Under linux,
with our small kernel footprint etc., you can fit a lot in 128k, and with
some apps you get better performance than a P2. It's the space/speed ratio
- whether the loss in space is made up for by the gain in speed. Of
course, some apps run faster on a Pii because they need more cache space,
but this is why intel are trying to phase out the celery :((

Cheers,

Alex.

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