On Mon, Jul 6, 2009 at 2:55 AM, mayank gupta<mooni...@gmail.com> wrote: > Hi, > > I am creating a tree data-structure in python; with nodes of the tree > created by a simple class : > > class Node : > def __init__(self , .... other attributes): > # initialise the attributes here!! > > But the problem is I am working with a huge tree (millions of nodes); and > each node is consuming much more memory than it should. After a little > analysis, I found out that in general it uses about 1.4 kb of memory for > each node!! > I will be grateful if someone could help me optimize the memory usage.
(1) Use __slots__ (see http://docs.python.org/reference/datamodel.html#slots) (2) Use some data structure other than a tree (3) Rewrite your Node/Tree implementation in C Cheers, Chris -- http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list