Article View: comp.sys.ibm.pc.misc
Article #11440Re: Is DOS 5.0 really so slooow!
From: Jim Reisert
Date: Wed, 26 Jun 1991 17:26
Date: Wed, 26 Jun 1991 17:26
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In article <7153@bwdls58.bnr.ca>, mlord@bwdls58.bnr.ca (Mark Lord) writes... >EMM386 places the 386/486 CPU into Virtual-8086 mode, which generally slows >things down slightly, and specifically slows interrupts down more than >slightly. >This is more likely the real cause of the slight performance hit. Doesn't QEMM also put the processor into Virtual-8086 mode? I've found performance hits using coprocessor instructions with QEMM loaded (worse hits with EMM386), but no hit with no memory manager loaded. - Jim =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= "The opinions expressed here in no way represent the views of Digital Equipment Corporation." James J. Reisert Internet: reisert@mast.enet.dec.com Digital Equipment Corp. UUCP: ...decwrl!mast.enet!reisert 146 Main Street Voice: 508-493-5747 Maynard, MA 01754 FAX: 508-493-0395
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!decwrl!deccrl!news.crl.dec.com!nntpd.lkg.dec.com!mast.enet.dec.com!reisert From: reisert@mast.enet.dec.com (Jim Reisert) Newsgroups: comp.sys.ibm.pc.misc Subject: Re: Is DOS 5.0 really so slooow! Message-ID: <23860@shlump.lkg.dec.com> Date: 26 Jun 91 17:26:48 GMT Sender: newsdaemon@shlump.lkg.dec.com Organization: Digital Equipment Corporation - Maynard, MA Lines: 24