Subject: Re: connect() speed
To: Frank van der Linden <>
From: Jason R Thorpe <>
List: tech-net
Date: 03/06/2001 09:56:35
On Tue, Mar 06, 2001 at 05:52:57PM +0100, Frank van der Linden wrote:

 > Anyway.. it would appear that in_pcblookup_port is a plain linear
 > search on a linked list, which soaks up a lot of time even
 > on the machine where I ran the test (which isn't listening to
 > a whole lot of ports). FreeBSD, for example, made this a hash
 > lookup. It may be worthwhile to do the same.
 > Comments?

Yah, I think that's a good idea.  Heck, we already do it for connected
PCBs.  Besides the number of traversals, you're probably toasting the
cache, as well.

        -- Jason R. Thorpe <>