home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!spool.mu.edu!olivea!xenitec!zswamp!geoff
- From: geoff@zswamp.UUCP (Geoffrey Welsh)
- Newsgroups: biz.sco.general
- Subject: Re: speed of high-buffers, Re: Performa[n]ce degradation under SCO
- Message-ID: <PqoBwB2w165w@zswamp.UUCP>
- Date: 25 Dec 92 05:21:36 GMT
- References: <9212231106.aa05673@scoke.sco.COM>
- Organization: Izot's Swamp
- Lines: 30
-
- Bela Lubkin <belal@sco.COM> writes:
-
- > Dave Van Allen wrote:
- >
- > > If you don't have the cache, then yanking the extra memory is your only
- > > recourse anyway. Right?
- >
- > No, actually there's a much better one. Simply disable the external
- > cache completely, but *leave the internal cache enabled*. Now, I
- > realize that not all motherboard/BIOS combinations allow this, but if
- > yours does, do it. Remember those performance figures: no cache=1,
- > external only=3, internal only=8, both=11. So with internal only, you
- > run about 75% of full speed, which is much better than (sometimes full
- > speed) (sometimes 1/11 speed).
-
- Does not the internal cache cover all of memory anyway? In theory, a well-
- designed board should give (sometimes full speed)(sometimes 8/11ths speed).
-
- One very definite problem with this discussion is that we've got
- participants ranging from experienced software engineers through hackers
- who'll benchmark *anything* to users who don't care why as long as they're
- getting the performance they paid for; however, we don't have any PC hardware
- designers around...
-
- Geoffrey Welsh, 7 Strath Humber Court, Islington, Ontario, M9A 4C8 Canada
- geoff@zswamp.uucp, [xenitec.on.ca|m2xenix.psg.com]!zswamp!geoff (416)258-8467
- Now I've lost everything, I give to you my soul
- And the meaning of all that I believed before escapes me
- In this world of none, no thing, and no one
- - Genesis, _Afterglow_
-