Re: [PATCH] cacheflushtime

From: Rik van Riel (riel@nl.linux.org)
Date: Tue Feb 01 2000 - 09:37:18 EST

On Mon, 31 Jan 2000, Jeffrey B. Siegal wrote:

> > - - if (cachesize == -1)
> > - - cachesize = 8; /* Pentiums */
> > + if (cachesize == -1) {
> > + cachesize = 16; /* Pentiums, 2x8kB cache */
> > + bandwidth = 100;
> > + }
>
> Is the bandwidth from L1 to L2 on a Pentium really only 100 MB/sec?

I don't think you can expect much more on an SMP Pentium where
both processors compete for L2 cache bandwidth.

Then again, this 100 MB/sec is just a wild guess, I'd be very
much interested in some more educated numbers :)

regards,

Rik 

--
The Internet is not a network of computers. It is a network
of people. That is its real strength.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

This archive was generated by hypermail 2b29 : Mon Feb 07 2000 - 21:00:06 EST