"Ron Peacetree" <rjpeace(at)earthlink(dot)net> wrote in message
news:uqbma(dot)22946$4P1(dot)2023021(at)newsread2(dot)prod(dot)itd(dot)earthlink(dot)net(dot)(dot)(dot)
> If we are using a mapping of <= 2^16 keys, the extra space in
> question is ~2.5MB.
EDIT: add "...for 320b keys"