Math Forum Discussions

ben

Posts: 111
Registered: 12/9/05

Re: Memory leak in Matlab
Posted: May 15, 2008 3:45 AM

Plain Text

Thanks for your suggestion.
Still, the problem persists.
The problem must have something to do with jvm, but its not
the totalMemory used by JVM which is just a neglible 200Mb
and stays rather constant.
I am loosing 100Mb of mem with each function call!

Bye
Ben

On May 15, 12:35 am, "us " <u...@neurol.unizh.ch> wrote:
> ben:
> <SNIP (jvm?) memory problems...
>
> > I tested R2007b and R2008a. Strangely enough, the problem
>
> did not occur when the java virtual machine was not loaded.
>
> > Which tests would you suggest...
>
> one of the (possible) solutions
>
> % try to look at and free some jvm memory
> hdr={
> 'max = mem JVM will try to use:'
> 'total = mem in JVM:'
> 'free = mem in system:'
> 'delta = mem freed'
> };
> import java.lang.*;
> r=Runtime.getRuntime;
> mem1=[r.maxMemory,r.totalMemory,r.freeMemory,0];
> disp([hdr,num2cell(mem1).']);
> disp('> GARBAGE COLLECTING...');
> r.gc;
> mem2=[r.maxMemory,r.totalMemory,r.freeMemory,0];
> mem2(end)=mem2(3)-mem1(3);
> disp([hdr,num2cell(mem2).']);
>
> just a thought...
> us