Simon Riggs <simon@2ndQuadrant.com> writes:
> This is a marvellous win, a huge gain from a small, isolated and
> easily tested change. By far the smallest amount of additional code to
> sorting we will have added and yet one of the best gains.
I think you forgot your cheerleader uniform. A patch along these lines
is not going to be small, isolated, easily maintained, nor beneficial
for any but a small number of predetermined datatypes.
regards, tom lane