How can I return simulink memory back to OS?
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It looks like simulink memory leak. Look following script. (comment memory value from Windows Task Manager)
%matlab start
% 227MB
open_system sf_car
% 358MB
sim sf_car
% 383MB
close_system sf_car
% 386MB
bdclose all
% 386MB
clear
clear all
clear functions
clear classes
clear java
clear global
clear import
clear variables
% 385MB
Even after closing simulink, memory used by MATLAB.exe wasn't decreased. And, when execute simulation, memory was increased slowly.
open_system sf_car
% 355MB
sim sf_car
% 381MB
for i = 1 : 200
sim sf_car
end
% 384
for i = 1 : 200
sim sf_car
end
% 386MB
for i = 1 : 400
sim sf_car
end
% 387MB
I want to return memory increased during simuation back to OS. I tried following command. But It didn't work.
close_system sf_car
close('all', 'hidden');
% 386MB
clear
clear all
clear functions
clear classes
clear java
clear mex
clear global
clear import
clear variables
% 385MB
[m x j] = inmem('-completenames')
for i = 1 : length(m)
if mislocked(m{i})
munlock(m{i})
end
end
clear functions
% 371MB
% decreased a little.. but, after munlock and clear command,
% error message(?) printed during simulation =>
%Error calling slsfnagctlr('NagToken',...)
%A viewer named "DAS" already exists.
%Error calling slsfnagctlr('Clear',...)
%A viewer named "DAS" already exists.
2 个评论
Kaustubha Govind
2012-4-10
Kyungjoon: I would recommend reporting this to MathWorks Tech Support so the appropriate development team can look into this.
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