Yes, Java has a maximum amount of heap space that it allocates by default, and you are likely hitting this limit. There should be a "-Xmx" option that you can pass to java.exe which increases that maximum heap space, so something like "java.exe -Xmx1G" would set the maximum heap size to 1GB. Unfortunately, I'm not familiar with the details of Java Swarm; I believe there is a script, javaswarm, which sets up the environment to run a Java Swarm application. I'm not sure if you need to modify that script or can pass the parameter on the command line.
cheers Scott On Sep 21, 2007, at 11:44 AM, Diego Corredor wrote: Hi again, Thanks for the advice, Konrad. I tried to increase the virtual memory as you recommended but it didn't have any effect. I think that there is a constant amount of memory allocated to the JavaSwarm. I know that some programs have a "set memory" command in order to assign a given amount of memory for running. So, I would like to know if there is any way to increase the memory resources used specifically by java.exe. Also, I have checked the memory used by the java application and it always increases until 160MB before it cracks down. The simulation exercise that I am trying to run consists on build a model, run it, extract some statistics from it and then dropping it, using the drop method contained in any swarm implementation object. Is it normal that even when each model is dropped after being run the memory used by java.exe still increases? I would really appreciate any help. Thanks, Diego Corredor 2007/9/19, address@hidden <address@hidden>:
If you run the simulation under Windows: Might help to increase the virtual memory.
Right Click "My Computer"->Advanced->Performance Settings->Advanced->Virtual Memory Change->enter a higher number for the virtual memory capacity
If you have another system, I unfortunately have no clue...
Greetings,
K
______________________________________
Konrad Richter
McKinsey & Company, Inc.
Herrengasse 1-3
A-1010 Wien
Austria
Phone +43 1 5370-6160
Fax +43 1 5370-6161
Mobile +49 175 318-6160
Hi Swarmers,
I am running some simulations in JavaSwarm. I am considering 100
different scenarios but when the program reaches the 26th scenario an
OutOfMemoryError appears. Is there something I could do to increment
the memory?
Thanks,
Diego Corredor
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