On Aug 2, 2010, at 07:49, john gilmore wrote: > The question--What use are one-bit counts for a bit string?--would occur only > to someone who was unfamiliar with bit maps and their uses. > It was a machine instruction on the CDC 6600. Extremely fast; likely piggybacked on a Wallace tree used for multiplication.
In likely consequence it became a BIF in Pascal. -- gil
