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- From: exuptr@exu.ericsson.se (Patrick Taylor)
- Newsgroups: comp.sys.ibm.pc.hardware
- Subject: Re: Local bus IDE or SCSI?
- Message-ID: <exuptr.372.724113532@exu.ericsson.se>
- Date: 11 Dec 92 22:38:52 GMT
- References: <matess.723242527@gsusgi1.gsu.edu> <aLH6uB3w165w@hale.cts.com> <1992Dec3.232234.14704@mksol.dseg.ti.com> <CARL.92Dec7114825@atlantis.Cayman.COM> <1992Dec11.201540.9903@mksol.dseg.ti.com>
- Sender: news@exu.ericsson.se
- Organization: Ericsson Network Systems, Inc.
- Lines: 17
- Nntp-Posting-Host: pc254101.exu.ericsson.se
- X-Disclaimer: This article was posted by a user at Ericsson.
- Any opinions expressed are strictly those of the
- user and not necessarily those of Ericsson.
-
- In article <1992Dec11.201540.9903@mksol.dseg.ti.com> mccall@mksol.dseg.ti.com (fred j mccall 575-3539) writes:
- >Assuming, of course, that you're getting cache hits with the
- >controller. Under most multitasking OS's, it's a lot harder to get
- >those cache hits because multiple stuff is running at once. The head
- >tends to get to bounce around the drive, and the cache tends to get to
- >read stuff over and over, just as if the cache is not there. The
- >caching built into the file systems of multitasking OS's tends to be a
- >better win than a caching controller, and a caching controller may
- >actually slow you down.
-
- Unless of course you have a set-associative cache.
- ----------------------------------------------------------------------------
- !!! H A P P Y H O L I D A Y S !!!
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- - Patrick Taylor, Ericsson Network Systems
- exuptr@exu.ericsson.se "Don't let the .se fool you"
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