From: Rez <rividh DOT minusthispart AT earthlink DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: allegro gone missing?
Date: Sun, 17 Oct 1999 18:18:20 -0700
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To: djgpp AT delorie DOT com
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Eli Zaretskii wrote:
>> BSP is a naked textmode DOS app, very CPU-intensive but with very little
>> display output (a spinner and a few lines of text). Is that of any
>> significance wrt this case's 10% performance difference?
<snip>
> In addition, if the setup of the machine under the two DPMI servers
> being compared is different, it might well be that the difference has
> nothing to do with the DPMI server per se.  For example, if one
> configuration runs the machine in V86 mode and the other in the true
> real mode, the mode-switch overhead is *much* larger in the real-mode
> setup, no matter what DPMI host is in use.

In this case what it was running on were absolutely identical other than
the DPMI host, being it was the same machine and the same boot config.
All I did was type DPMI OFF at the prompt to disable DRDOS's DPMI prior
to using CWSDPMI as the host. Do you mean switching within the app?

~REZ~