On Friday 16 September 2005 06:03 am, Laszlo Zsolt Nagy wrote: > You are right in that holding a reference will have a better time > complexity. But holding a reference makes it impossible to free the > object. :-) As I said, my list has a maximum length. I just can't store > any number of images in memory. I need to keep only the most frequently > used ones. I do not know which ones will be used the most frequently, > this is why I need a self reordering list. Accessing an element makes it > "more imporant" than the others. I already implemented this in Python > and it was ten times faster compared to the original version. (200 > frames per sec instead of 20 fps)
This is actually the use-case for an "LRU cache"="least recently used cache", which is probably already implemented in Python somewhere (or even as a fast extension). I'd do a google search for it. It almost certainly would use a dictionary interface within Python, ISTM. Cheers, Terry -- Terry Hancock ( hancock at anansispaceworks.com ) Anansi Spaceworks http://www.anansispaceworks.com -- http://mail.python.org/mailman/listinfo/python-list