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- Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
- Path: sparky!uunet!paladin.american.edu!auvm!LOBBY.TI.COM!RSNYDER
- X-Mailer: ELM [version 2.2 PL16]
- Message-ID: <199301261433.AA14622@lobby.ti.com>
- Newsgroups: bit.listserv.sas-l
- Date: Tue, 26 Jan 1993 08:33:13 CST
- Reply-To: "R. Snyder" <rsnyder@LOBBY.TI.COM>
- Sender: "SAS(r) Discussion" <SAS-L@UGA.BITNET>
- From: "R. Snyder" <rsnyder@LOBBY.TI.COM>
- Subject: SAS Performance, Hard Disk controllers
- Comments: To: sas-l@uga.cc.uga.edu
- Lines: 29
-
- SUBJECT: PC Disk I/O Speed
- SUMMARY: "32 bit" disk access under Windows
- E-ADDR: rsnyder@lobby.ti.com
- NAME: Bob Snyder
- COMPANY: Texas Instruments, Sherman, TX
- PHONE: (903) 868-5799
- FAX: (903) 868-7240
-
- <Stuff Deleted>
- >
- > Hard disk controllers: there is some literature that indicates that a
- > good software cache is close to equivalent to a hardware caching
- > controller. This seems to run counter to a previous posting; your
- > mileage may vary. It's also not easy to know what caching is going
- > on in your hardware; some cache is almost always included. I *think*
- > many IDE drives included in Gateway systems have had some cache.
- >
- <Stuff Deleted>
- >
- > --Nelson R. Pardee, Computing Services, Syracuse University --
- > --120 Hinds Hall, Syracuse, NY 13244-1190 USA (315)443-1079 --
- > --Bitnet: SASMAINT@SUVM Internet: SASMAINT@SUVM.ACS.SYR.EDU --
- >
- Nelson,
-
- One thing I have observed is that if you are able to use the "32 bit" disk
- access mode in Windows, disk operations speed up dramatically.
-
- Bob
-