memory leak problem with arrays

sonjaa sonja.coussell at gmail.com
Thu Jun 15 00:27:39 CEST 2006


Serge Orlov wrote:
> sonjaa wrote:
> > Hi
> >
> > I'm new to programming in python and I hope that this is the problem.
> >
> > I've created a cellular automata program in python with the numpy array
> > extensions. After each cycle/iteration the memory used to examine and
> > change the array as determined by the transition rules is never freed.
> > I've tried using "del" on every variable possible, but that hasn't
> > worked.
>
> Python keeps track of number of references to every object if the
> object has more that one reference by the time you use "del" the object
> is not freed, only number of references is decremented.
>
> Print the number of references for all the objects you think should be
> freed after each cycle/iteration, if is not equal 2 that means you are
> holding extra references to those objects. You can get the number of
> references to any object by calling sys.getrefcount(obj)

thanks for the info. I used this several variables/objects and
discovered that little counters i.e. k = k +1 have many references to
them, up tp 10000+.
Is there a way to free them?

regards
Sonja




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