> As long as those low-level operations are fast, those Python-only algorithms will also be fast. Only if you spend more time on the C implementations than on

> As long as those low-level operations are fast, those Python-only algorithms will also be fast. Only if you spend more time on the C implementations than on Python. If you have pure Python loops, you'll be slow. You need quite high-level components and minimal Python glue for it to be fast.