Theme
The thread: The check must reject — page 2
Page 2 of 2, continuing the same thread in the same order.
What is taught wrongly
Two factors that do not multiply
Eleven times and seventy-eight times against the same baseline, so an index with both should be eight hundred and sixty. It is seventy-eight, and the shortfall is eleven — the first factor, exactly, because the second operation already contains it.
What is taught wronglyA cache below the reachable set
A lazy machine with a cache of two hundred and fifty-six states costs fifty-one operations a character and a plain non-deterministic simulation costs fifty-three. At five hundred and twelve it costs eleven. The line is flat across two orders of magnitude and then falls off a cliff.