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Date: Sun, 4 Oct 1998 12:02:37 -0400 (EDT)
From: tyoung <tyoung AT netaxis DOT com>
X-Sender: tyoung AT howard DOT softserv DOT dynip DOT com
To: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
cc: djgpp AT delorie DOT com
Subject: Re: Slooooww Iooooo -- Please help.
In-Reply-To: <Pine.SUN.3.91.981004125659.1863d-100000@is>
Message-ID: <Pine.LNX.3.96.981004115832.22121A-100000@howard.softserv.dynip.com>
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Thanks for your response.   

Actually, I have run with a RAMDRIVE under DOSEMU and  a typical
job runs about twice as fast.  If I redirect the output to 'nil', 
nothing much seems to change (except there is no screen output).  So it
looks like the int's and accompanying real/protected mode switching 
is the problem.  I'm still pursuing a solution.

	Regards, 

		Tom Young 


On Sun, 4 Oct 1998, Eli Zaretskii wrote:

> 
> On Fri, 2 Oct 1998, tom young wrote:
> 
> > I am using dos-gcc on Linux to cross-compile my Roth IRA Calculator
> > program to MSDOS.   DJGPP is terrific, but for some reason the
> > program runs about ten times as fast under Linux as under DOSEMU
> > or Windows 95.
> 
> This most probably means that you don't have a disk cache installed.
> Install SmartDrv (which comes with DOS) with a large enough cache (see
> section 3.9 in the FAQ for recommendations) and you will see dramatic
> improvements in the runtime performance.
> 
> 

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