From owner-freebsd-questions@FreeBSD.ORG Sun Jan 11 00:00:11 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 45017106564A for ; Sun, 11 Jan 2009 00:00:11 +0000 (UTC) (envelope-from aryeh.friedman@gmail.com) Received: from mta4.srv.hcvlny.cv.net (mta4.srv.hcvlny.cv.net [167.206.4.199]) by mx1.freebsd.org (Postfix) with ESMTP id 0C8158FC0C for ; Sun, 11 Jan 2009 00:00:10 +0000 (UTC) (envelope-from aryeh.friedman@gmail.com) Received: from flosoft.no-ip.biz (ool-435559b8.dyn.optonline.net [67.85.89.184]) by mta4.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTP id <0KDA0073G5C9U860@mta4.srv.hcvlny.cv.net> for freebsd-questions@freebsd.org; Sat, 10 Jan 2009 19:00:09 -0500 (EST) Received: from flosoft.no-ip.biz (localhost [127.0.0.1]) by flosoft.no-ip.biz (8.14.3/8.14.3) with ESMTP id n0B008QA062494; Sat, 10 Jan 2009 19:00:08 -0500 Date: Sat, 10 Jan 2009 19:00:08 -0500 From: "Aryeh M. Friedman" To: freebsd-questions@freebsd.org Message-id: <49693688.3030108@gmail.com> Organization: FloSoft Systems MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7BIT X-Enigmail-Version: 0.95.7 User-Agent: Thunderbird 2.0.0.18 (X11/20081124) Subject: does IPI_PREEMPTION in the kernel config do anything X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: aryeh.friedman@gmail.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Jan 2009 00:00:11 -0000 For the last year I have been using IPI_PREEMPTION in my kernel config and I know back then it helped quite a bit on the performence of my dual core... now I am setting a 4 core machine using 7.1pl1 (i386) [on the dual core I {and will continue} to use -current] and was just wondering if IPI_PREEMPTION actually maeans anything anymore