Giovanni Bajo wrote: > I found this strange: > > python -mtimeit "sum(int(L) for L in xrange(3000))" > 100 loops, best of 3: 5.04 msec per loop > > python -mtimeit "import itertools; sum(itertools.imap(int, xrange(3000)))" > 100 loops, best of 3: 3.6 msec per loop > > I thought the two constructs could achieve the same speed.
hint: how many times to the interpreter have to look up the names "int" and "L" in the two examples ? </F> -- http://mail.python.org/mailman/listinfo/python-list