Trouble Memory

[Nicolas Garrido]

Hi, I need your help please.

I am making a simulation where each agent uses Genetic Algorithms for taking a decision about what is her/his best coalition.

In each step of simulation every agent starts from an initial population of coalitions and calculates her/his best coalition by AG.

As I had problems with memory I simplify (the inessential code has been removed)  the code for understanding where the problem is and finally I arrived to this code:

 

- processMessage

{

[self makePopulation];

// Here, the agent must make her/his calculation by AG

// .................. 

[self clearPopulation];

return self;

}

 

- (void) makePopulation{

unsigned i;

curPopMap=[Map create:[self getZone]];

for (i=0 ; i<popSize ;i++)

{

    Coalition *c;

    c=[Coalition createBegin: [self getZone]];

    [c setOwnerID:selfID];

    c=[c createEnd];

    [c randomInit];

    [curPopMap at:c insert: c];

}

}

- (void) clearPopulation

{

[curPopMap removeAll];

}

Initially, in the simulation there are n-Agent and the Scheduler calls for each agent the message processMessage.

The problem is that the use of memory raises quickly. I thought that with [curPopMap removeAll] I could free the memory.

I will welcome any suggestions on how to handle this problem and any suggestions about memory administration.

 

Thanks

 

Nico.