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From: Gary Clark II <gclarkii@main.gbdata.com>
Message-Id: <199609141803.NAA22886@main.gbdata.com>
Subject: Re: VM/kernel problems?
To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes)
Date: Sat, 14 Sep 1996 13:03:19 -0500 (CDT)
Cc: simonm@dcs.gla.ac.uk, jmb@freefall.freebsd.org, michaelh@cet.co.jp,
        mrcpu@cdsnet.net, jhs@freebsd.org, sysseh@devetir.qld.gov.au,
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In-Reply-To: <199609141728.KAA04566@GndRsh.aac.dev.com> from "Rodney W. Grimes" at "Sep 14, 96 10:28:00 am"
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Rodney W. Grimes wrote:
> > 
> > Rod Grimes writes:
> > 
> > > The default value could still be 64K incase none of the cache sizeable
> > > chipsets are found, but in my experience the only things that ever had
> > > 64K or 128K caches on them are old 386 boards and some of the earlier
> > > 486 boards.  Thus if CPU >= I586 your going to have a 256K cache....
> > 
> > What about laptops that don't have a cache at all?  If it doesn't hurt
> > too much, then fair enough, but otherwise we still need a way to
> > fiddle the setting at boot or kernel-compile time.
> 

Well if you have NO cache on a high speed CPU, your not going to be able
to hurt performance much more that it is already.  I've seen 30mhz+
machines with 0 cache and it is not good...

Gary
-- 
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