From owner-freebsd-hackers Wed Mar 19 2:54:20 2003 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 996B837B401; Wed, 19 Mar 2003 02:54:18 -0800 (PST) Received: from samson.dc.luth.se (samson.dc.luth.se [130.240.112.30]) by mx1.FreeBSD.org (Postfix) with ESMTP id F3E7043FBD; Wed, 19 Mar 2003 02:54:16 -0800 (PST) (envelope-from bj@dc.luth.se) Received: from ramses.dc.luth.se (bj@ramses.dc.luth.se [130.240.112.181]) by samson.dc.luth.se (8.12.5/8.12.5) with ESMTP id h2JAsCjY019106; Wed, 19 Mar 2003 11:54:12 +0100 (MET) Message-Id: <200303191054.h2JAsCjY019106@samson.dc.luth.se> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: Sean Chittenden Cc: freebsd-hackers@FreeBSD.ORG, luigi@FreeBSD.ORG, Ed Mooring Subject: Re: High CPU usage on high-bandwidth long distance connections. In-reply-to: Your message of Wed, 19 Mar 2003 02:30:58 PST. <20030319103058.GB39155@perrin.int.nxad.com> Dcc: Reply-To: bj@dc.luth.se X-Disposition-notification-to: Borje.Josefsson@dc.luth.se X-uri: http://www.dc.luth.se/~bj/index.html Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Date: Wed, 19 Mar 2003 11:54:12 +0100 From: Borje Josefsson Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, 19 Mar 2003 02:30:58 PST Sean Chittenden wrote: > Ooooh! Opportune timing! I was going to bring this up on the > performance@ list (core@, ::hint hint::), but now's as good of a time > as any. = Great! > Luigi, I've updated the patch mentioned in this email. Could you > review this and possibly commit it or give it a green light for being > committed? What's the value of conditionalizing the O(1) behavior > anyway? It seems like a tail append would always be the preferred > case. = If Luigi "blesses" this patch, I am willing to to use my two boxes as = guinea-pigs for this, as they currently aren't used for any production = traffic. --B=F6rje To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message