On Mon, Apr 20, 2009 at 06:56:15PM -0600, Theo de Raadt wrote: > > This morning I had an email arrive at "Tue, 21 Apr 2009 06:58:36 +1000 > > (EST)" from computershop.ca announcing that my order had been mailed. > > > > At 09:05 I went to check my PO box for the morning mail and found my 2 > > sets of 4.5 CDs > > > > How did Austin and the gang know that my package had made it out of > > customs in time to arrive in this morning's mail and to send the email > > at just the right time? > > We are working on changes to do this trick in a variety of our deamons > and in our kernel; precognition means that we can identify an upcoming > period when such packets will come in -- packets which would > defragment and subsequently arrange themselves into an attack above > the socket layer. since we can precognitively pre-identify the risk, > we can drop them right on the ethernet card and avoid even having them > dma into memory! > > Well, we have only parts of this working in the tree. A few pieces > are still missing, but Austin is trying a prototype of the algoritms > and heuristics in his shipping operation.
I don't think the shipping algorithms will work for network stuff. However, I have some half baked diffs based on bistromathematics that show an amazing throughput improvement. Tested so far on sparc64 and i386, but the robot waiters keep glitching on alpha. -- Darrin Chandler | Phoenix BSD User Group | MetaBUG dwchand...@stilyagin.com | http://phxbug.org/ | http://metabug.org/ http://www.stilyagin.com/ | Daemons in the Desert | Global BUG Federation
