memoizer to check out

[smichr]

Just happened across a recent post that might be worth checking out for those that appreciate and can evaluate these things:

http://code.activestate.com/recipes/578231-probably-the-fastest-memoization-decorator-in-the-/

[Aaron Meurer]

You'll have to time this to see if it's faster than our
recurrence_memo. recurrence_memo might be faster because it uses the
fact that the inputs are 0, 1, 2, ..., so it's just indexing a list
rather than using a dictionary lookup.

Aaron Meurer

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