Re: Memory limitation
- From: "Uffe Kousgaard" <oh@xxxxx>
- Date: Thu, 26 Oct 2006 15:43:38 +0200
"Gilles Rosselet" <gilles.rosselet@xxxxxxx> wrote in message
news:1161869678_122@xxxxxxxxxxxxxxxxxxx
So, does Delphi or Windows XP put a limit to the amount of memory a single
program can use?
Windows does. If you have an absolute minimum of applications started (also
counting virus filters, firewalls, services etc), you can get away with app.
1.7 GB RAM in a single application.
If you use the so-called /3GB option when starting windows, you can get
appr. 2.7 GB RAM. This requires that you stay away from pointer arithmetic
on signed integers. If you want to use /3GB you should also use fastmm and
enable the correct switches (see usage section of readme file).
If you use the /3GB option on windows 64-bit, you can go all the way to app.
3.7 GB RAM with your 32-bit delphi applications (yes, I have tried this).
You will of course need sufficient physical RAM in any case to avoid
harddisk swapping.
Regards
Uffe
.
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