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 -- http://mail.python.org/mailman/listinfo/python-list