- I looked at
but didn't find anything to do with Ackermann.
However, I did find some references to Ackermann's function
in a couple websites about benchmarking. Apparently it is used to
give a workout to a language's function call mechanism.
But both these websites used the Wolfram definition of
Ackermann's funtion, not SICP's.
I don't have a clue about whether this discrepancy makes any
difference or not. I'm guessing it does NOT make any significant
difference in regard to benchmarking.
But SICP's authors do not present Ackermann's function as a
It remains puzzling to me that, in an otherwise liberally footnoted
text, there is no reference provided for further inquiry in this