Problem with gnu Pascal (memory) - Gpc

23 Feb 1998


      Hello,
sorry, but i have a little question, and did not know whom to ask, i
found no answer in faq's neither to
Gnu C nor to Gnu-Pascal.
I use Gnu-Pascal for scientific reasons, and have some trouble with it
(but it's a very good program!).
First: I use an Pc with Linux (2XPPro 200, 256 MB Memory) Kernel 2.0.33
(new) and gpc version 2.0(2.7.2.1) .
But i saw this problem with other configurations and Versions.
The Problem is if i want to use much memory e.g. for arrays the compiled
program results
in segmentation fault, while it runs with smaller arrays. ( I found this
program in Gnu-C also with
static arrays). Here is an attached test program, that runs with
xsiz<1010 and not with xsiz > 1050.
In my opinion it's not a problem of Linux, it's a problem of gnu-C,
maybe any wrong configuration.
Did you hear about a solution.
Sincerly
Joerg Tomes
************************************************************
Joerg Tomes, Theoretische Festkoerperphysik, Uni-Tuebingen,
Auf der Morgenstelle 14, D-72076 Tuebingen,
Tel : 07071-29-78633  Fax : 07071-29-5604
email: joerg.tomes@uni-tuebingen.de
************************************************************
program benchmark;
const xsiz=1010;
      ysiz=1000;
var a,b:real;
    d:array[0..xsiz,0..ysiz] of real;
    i,j:integer;
Begin
a:=1.0;
For j:=1 to xsiz do
   For i:=1 to ysiz do begin
      d[i,j]:=a;
   end;
b:=0.0;
For j:=1 to xsiz do
   For i:=1 to ysiz do begin
      b:=b+d[i,j];
   end;
writeln(b,': Array entries used'); 
end.