From owner-freebsd-questions@FreeBSD.ORG Sun Jan 11 09:20:01 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 0F8691065689 for ; Sun, 11 Jan 2009 09:20:01 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from mail-bw0-f20.google.com (mail-bw0-f20.google.com [209.85.218.20]) by mx1.freebsd.org (Postfix) with ESMTP id 873B48FC14 for ; Sun, 11 Jan 2009 09:20:00 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by bwz13 with SMTP id 13so4649104bwz.19 for ; Sun, 11 Jan 2009 01:19:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=S+KlEdpaK3Td+b6OSoJFwkbiaK5P000JK24fO6we24I=; b=X7GsJ3UBjOV+deIw03oF0MORiQXlpoZKKzDJv7FTc3nZEwWGDmAz96O9O8wxJZeNdV scvxJwDFZwylZTi1mC1z3sTm7f/9/TDONr318kUZxhHAR6n9EaypWJ4LNxhHfoSj7pl2 Cp4/pqZ38J7Xr8RqapO0ukr01QoV+dTFs8X4A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=F2zAN2JkX0aQd+/6/GC5hVN1wSUv8IoTH8cbiDbRYlTtIfQW46gA3VtWdTdHjNltma UEPbMAUe/zhkUhpYJim4lcIUvp1BalYkVEQ29BQ2F7LkqLqDrvF2yxa08HUTj1FsJsiX WvHQ9FFXjkOofvFQKuq4YhdNx+yL2N1GY+6zA= Received: by 10.223.112.132 with SMTP id w4mr20021227fap.67.1231665599400; Sun, 11 Jan 2009 01:19:59 -0800 (PST) Received: by 10.223.115.1 with HTTP; Sun, 11 Jan 2009 01:19:59 -0800 (PST) Message-ID: <3a142e750901110119w1703629fufc554aa1ffc44b73@mail.gmail.com> Date: Sun, 11 Jan 2009 10:19:59 +0100 From: "Paul B. Mahol" To: aryeh.friedman@gmail.com In-Reply-To: <49693688.3030108@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <49693688.3030108@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: does IPI_PREEMPTION in the kernel config do anything X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Jan 2009 09:20:01 -0000 On 1/11/09, Aryeh M. Friedman wrote: > 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 IPI_PREEMPTION is used only with 4bsd scheduler. -- Paul