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Mail Archives: djgpp/1993/10/26/16:24:34

Date: Tue, 26 Oct 93 16:00:09 -0400
From: DJ Delorie <dj AT ctron DOT com>
To: blumer AT ptltd DOT com
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Re: djgpp and 386max

In 1.10, on some DPMI hosts (386max is one, qemm isn't), you start off
by using up 4+ Mb of memory just for the program, because the DPMI
host isn't smart enough to realize that the big gap between code and
data isn't being used.  1.11 uses a different executable footprint to
reduce this waste.

Note also that allocating 1000 1024-byte chunks is *not* the same as
allocating one 1024000 byte chunk.  There's overhead on each request
you make, so you end up using more memory than you expect.

DJ


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