> From: David Eppstein [mailto:eppstein@ics.uci.edu] >=20 > See <http://tinyurl.com/9x6d> for some tests indicating that=20 > using dict for fifo is a slow way to go. Arrgh! That's an extremely broken test. Do not link to that test! I even admitted it when I realised ... http://tinyurl.com/a0f4 Tim Delaney