From owner-freebsd-questions@FreeBSD.ORG Mon Mar 28 04:03:03 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 73D8416A4CE for ; Mon, 28 Mar 2005 04:03:03 +0000 (GMT) Received: from smtp11.wanadoo.fr (smtp11.wanadoo.fr [193.252.22.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id 246E343D5C for ; Mon, 28 Mar 2005 04:03:03 +0000 (GMT) (envelope-from atkielski.anthony@wanadoo.fr) Received: from me-wanadoo.net (localhost [127.0.0.1]) by mwinf1102.wanadoo.fr (SMTP Server) with ESMTP id D19C51C0008C for ; Mon, 28 Mar 2005 06:03:01 +0200 (CEST) Received: from pix.atkielski.com (ASt-Lambert-111-2-1-3.w81-50.abo.wanadoo.fr [81.50.80.3]) by mwinf1102.wanadoo.fr (SMTP Server) with ESMTP id CD0611C00088 for ; Mon, 28 Mar 2005 06:03:00 +0200 (CEST) X-ME-UUID: 20050328040300839.CD0611C00088@mwinf1102.wanadoo.fr Date: Mon, 28 Mar 2005 06:03:00 +0200 From: Anthony Atkielski X-Priority: 3 (Normal) Message-ID: <1732642559.20050328060300@wanadoo.fr> To: freebsd-questions@freebsd.org In-Reply-To: <8C7015DFC50E71C-B30-24D33@mblk-d12.sysops.aol.com> References: <1641928994.20050326192811@wanadoo.fr> <8C700529A2DFD74-A44-3A157@mblk-d34.sysops.aol.com> <439876144.20050326220638@wanadoo.fr> <8C7006AE7E80573-FAC-3B652@mblk-r28.sysops.aol.com> <49251524.20050326234521@wanadoo.fr> <8C7007D5D4D30D2-A38-3B313@mblk-r33.sysops.aol.com> <14510304120.20050327123336@wanadoo.fr> <8C700FCB91B8886-4B8-3C2BE@mblk-d50.sysops.aol.com> <170873865.20050327200416@wanadoo.fr> <8C7015DFC50E71C-B30-24D33@mblk-d12.sysops.aol.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Re: hyper threading. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: freebsd-questions@freebsd.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Mar 2005 04:03:03 -0000 em1897@aol.com writes: > Polling is simply unecessary in most cases. You could get > better performance using an em driver and setting max > ints to whatever is optimal for your system. Polling adds > latency and over head for no good reason. Polling often provides better performance, at the expense of higher overhead. -- Anthony