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bug in octave 2.1.33 (memory leak)


From: David J.C. MacKay
Subject: bug in octave 2.1.33 (memory leak)
Date: Sat, 15 May 2004 19:49:08 +0100

octave memory leak
There is a memory leak problem in octave versions 2.1.33 and 2.0.16. To 
experience the problem, create the following three files (also available in the 
test.tar file in http://www.inference.phy.cam.ac.uk/mackay/octave/index.html) 
and run test0 in octave.

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% test0.m          Program to demonstrate memory leak in octave versions 2.1.33 
 and   2.0.16
%                  This is one of three files: test0.m, doit.m, and doit2.m
%                  To demonstrate the memory leak, please run
%                                octave:> test0
%                  David MacKay   address@hidden
T=10000000;
for t=1:T
  doit;
endfor
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% doit.m 
y=1;
doit2;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% doit2.m
x=y;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

-- 
--  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
David J.C. MacKay                                 address@hidden
                             http://www.inference.phy.cam.ac.uk/mackay/
          Cavendish Laboratory, Madingley Road, Cambridge CB3 0HE. U.K.
    (01223) 339852 | fax: 354599 | home: 740511 international: +44 1223



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