From owner-freebsd-arch@FreeBSD.ORG Fri Mar 6 22:08:43 2015 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B9B0BD60; Fri, 6 Mar 2015 22:08:43 +0000 (UTC) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 728D4A72; Fri, 6 Mar 2015 22:08:43 +0000 (UTC) Received: from slw by zxy.spb.ru with local (Exim 4.84 (FreeBSD)) (envelope-from ) id 1YU0QD-000AAB-JF; Sat, 07 Mar 2015 01:08:41 +0300 Date: Sat, 7 Mar 2015 01:08:41 +0300 From: Slawa Olhovchenkov To: Adrian Chadd Subject: Re: RFC: Simplfying hyperthreading distinctions Message-ID: <20150306220841.GC95179@zxy.spb.ru> References: <1640664.8z9mx3EOQs@ralph.baldwin.cx> <20150306215835.GB95179@zxy.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false Cc: Andriy Gapon , "freebsd-arch@freebsd.org" X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Mar 2015 22:08:43 -0000 On Fri, Mar 06, 2015 at 02:01:19PM -0800, Adrian Chadd wrote: > If you're looking to ship a single image that runs on a variety of > platforms (say, you're pfsense, just say) and you want to set defaults > that say "hey, i don't mind doing some processing on SMT, but HTT is > no thanks) then how do you achieve that? some platforms have SMT, some HTT, yes? and some one socket, some multi-socket... some 1Gbit NIC, some 2x10Gbit NIC, some 1 of 2x40Gbit NIC. All of this need individual tuning. Or smart auto-tuning. Yes, I have similar case. I am use smart auto-tuning (on first boot after setup).