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- Newsgroups: comp.sys.intel
- Path: sparky!uunet!pgroup!lfm
- From: lfm@pgroup.com (Larry Meadows)
- Subject: Re: Future of i860 line
- Message-ID: <Btwnp7.3MH@pgroup.com>
- Date: Tue, 1 Sep 1992 15:15:07 GMT
- References: <1992Aug29.031847.28867@nas.nasa.gov> <Btr4Iz.GB9@pgroup.com> <1992Aug31.151640.16824@megatek.com>
- Organization: The Portland Group, Portland, OR
- Lines: 14
-
- In article <1992Aug31.151640.16824@megatek.com> megatek!rstewart@uunet.uu.net writes:
- >Stop this. You can bypass cache on lots of chips. Most caching cpu's
- >can have cache bypassed in the page tables. A second way, if your board
- >is designed to do it, is a software toggle of some sort. I think, most
- >modern cpu's, have a cache enable/disable pin.
- Yeah, but at full bus bandwidth in user mode in a way that works for every
- system?
- >
- >And finally, you do not want to use pfld's that might access memory
- >that is in a cachable address range. (Right Larry?).
- Easy if you are vectorizing.
- --
- Larry Meadows The Portland Group
- lfm@pgroup.com
-