From:	"A. Sinan Unur" <asu1 AT cornell DOT edu>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: profiling...
Date:	Wed, 25 Jun 1997 09:53:48 -0400
Organization:	Cornell University
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Leendert Combee wrote:
> 
> - For the reason of profiling, I did put the main part of my code
> into a 1000x loop. Now, if I run the code under plain DOS+cwsdpmi, 
> indeed I see the harddisk is accessed all the time (not 
> swapping/paging!, just  1000x file i/o); however, if I run the code 
> from a dosbox/win95 (same machine etc) I only see a harddisk access 
> once and that's it. ... I don't have smartdrive etc installed.

windows has its own 32-bit disk cache called vcache. so, under dos you
are running without a disk cache and in a dos box in windows 95, you are
running with.

	-- Sinan

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