From owner-freebsd-net@FreeBSD.ORG Tue Sep 16 07:46:16 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 13C14106567E for ; Tue, 16 Sep 2008 07:46:16 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 7FCC08FC0A; Tue, 16 Sep 2008 07:46:15 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <48CF6450.6020909@FreeBSD.org> Date: Tue, 16 Sep 2008 08:46:24 +0100 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.16 (Macintosh/20080707) MIME-Version: 1.0 To: Jian Qiu References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org Subject: Re: What's the status of parallel netisr? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Sep 2008 07:46:16 -0000 Jian Qiu wrote: > I noticed there was a project trying to parallelize netisr in SMP. > > But I cannot find the relevant codes in either stable 7 or current 8. > > I'm wondering what's the current status of this project? > > When will it be merged into FreeBSD source tree? It's available in a perforce branch owned by rwatson (sorry, I don't have the branch name handy), but in my tests it either produced no benefits, or actually reduced performance. This is surprising and the reasons for this are still unknown. Kris