Memoize won't help for this as for any given set of data, the function will never be called twice with the same set of values.
Ah, yes, I missed that.
I initially thought that the function might be called multiple times with only slight changes to the data tables. [After all, why write a program if it's only going to be used once?] If it's only called once on 1 table of data, you are correct, there's little to gain. And if it's called with more than one data table, but they are largely independent, there's still little gain. It's only if the tables all have lots of overlap that it makes a difference. We could also debate whether recursion this shallow has much to gain, regardless of the undlerlying function or data. We'll have to let the OP comment on his intended use.
All of this reminds me of TheDamian's Tachyonic Variables talk. I won't divulge the secret, but in any case the actual module he developed isn't available yet.
-QM
--
Quantum Mechanics: The dreams stuff is made of
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