Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site flairvax.UUCP Path: utzoo!linus!decvax!decwrl!flairvax!kissell From: kissell@flairvax.UUCP (Kevin Kissell) Newsgroups: net.arch Subject: Re: cache designs Message-ID: <823@flairvax.UUCP> Date: Sat, 17-Nov-84 04:43:20 EST Article-I.D.: flairvax.823 Posted: Sat Nov 17 04:43:20 1984 Date-Received: Thu, 22-Nov-84 08:16:54 EST References: <2571@dartvax.UUCP> Organization: Fairchild AI Lab, Palo Alto, CA Lines: 10 Well, the 68020 has cache-control instructions of a sort - you can freeze the on-chip cache. That's probably worthwhile, because that cache is a little small. I believe that it is preferable to have a cache big enough to get a 90+% hit ratio without intervention than to use dedicated cacheing instructions. Kevin D. Kissell Fairchild Advanced Processor Development uucp: {ihnp4 decvax}!decwrl!\ >flairvax!kissell {ucbvax sdcrdcf}!hplabs!/