ianaré wrote: >> I changed it to this: >> items_ren.append([join(newPath,renamedItem), False]) >> >> And processing speed is now much much slower. For 5780 items the old >> function would take 9.5 seconds (there is other stuff going on >> obviously), after changing that single line, speed is now 55 seconds >> in the same conditions!
have you checked the process size? short lists are relatively expensive to create, both performance-wise, and more importantly, memory-wise. try using tuples instead. or better, move the flags to a separate data structure (either a list, or, if possible, a set or dictionary keyed on filenames). </F> -- http://mail.python.org/mailman/listinfo/python-list
