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That code should only create the dict/namedtuple instance once, then access it many, many times.

The creation occurs in the --setup portion. The field accesses occur in the actual looping portion of the timeit code.

Ah, ok, I see, for some reason my browser wasn't showing the namedtuple code snippet right. Now I need to go look at the namedtuple code to see why accessing the fields by name is slower than accessing them by index.

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