[Miles] > I assume that "smallish values of n" refers to the fact that > itertools.tee places items into every generator's internal deque, > which islice then skips over, whereas your version places items only > into the deque of the generator that needs it.
The pure python equivalent listed in the docs uses separate deques for each subiterator, but the actual C implementation of itertools.tee() only has one internal deque that is shared by all of the sub-iterators. Raymond -- http://mail.python.org/mailman/listinfo/python-list
