Date: Sat, 14 Sep 1996 13:03:19 -0500 (CDT) From: Gary Clark II <gclarkii@main.gbdata.com> To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes) 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, current@freebsd.org Subject: Re: VM/kernel problems? Message-ID: <199609141803.NAA22886@main.gbdata.com> 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 -- Gary Clark II (N5VMF) | I speak only for myself and "maybe" my company gclarkii@GBData.COM | Member of the FreeBSD Doc Team Providing Internet and ISP startups mail info@GBData.COM for information FreeBSD FAQ at ftp://ftp.FreeBSD.ORG/pub/FreeBSD/docs/freebsd-faq.ascii
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