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by wyldfire 4102 days ago
I got 25x on sum_naive_python() and 6x on sum_native_python() (PyPy 2.7.3 vs CPython 2.7.6 on Intel Arrandale), using timeit to measure time and not cycles.

But IMO it's a nice article anyways. I'd wager the final implementation he comes up with is faster than PyPy.