[scilab-Users] memory management

[Process Control]

thanks

i used stacksize("min") and it freed the memory



On Sun, Jun 19, 2011 at 1:08 PM, Jonathan Blanchard <BlanchardJ at ieee.org>wrote:

> On Sun, Jun 19, 2011 at 1:53 PM, Process Control
> <computerprocesscontrol at gmail.com> wrote:
> > Hi,
> >
> > I ran the follwing commands:
> >
> > stacksize("max")
> > tic();rand(10000,10000);toc()
> >
> > It works fine and the stacksize after running these commands is:
> >
> > 2.684D+08    8179
> >
> > But in the process monitor on gnome, scilab-bin is occupying 1.6 GiB. So,
> > the only way to free this RAM is to restart scilab. Please, could you
> > explain what is going on and how to free the memory without restarting
> > scilab.
> >
> > thank you
> >
>
> Well, by calling stacksize("max") Scilab will try to increase it's
> stack to the maximum possible which it did in this case. The memory
> usage displayed by gnome monitor is the process virtual memory usage
> which will never shrink even if the memory is freed. The amount of
> physical memory used is the resident set size but I'm not sure how to
> check that on a Linux system. To free physical memory after it's not
> needed you can reduce the Scilab stack with the same command, however
> it cannot be reduced smaller than what is currently necessary to store
> all the active variables in Scilab. The clear() command can be used to
> remove unwanted variables and then the stack size can be reduced.
>
> Jonathan Blanchard
>
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