From owner-freebsd-stable@freebsd.org Mon Aug 22 12:02:27 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 6F52DBC031F for ; Mon, 22 Aug 2016 12:02:27 +0000 (UTC) (envelope-from slw@zxy.spb.ru) 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 32FE61E6C; Mon, 22 Aug 2016 12:02:27 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1bbnvj-000C0G-J4; Mon, 22 Aug 2016 15:02:15 +0300 Date: Mon, 22 Aug 2016 15:02:15 +0300 From: Slawa Olhovchenkov To: Lars Engels Cc: Andrea Brancatelli , Kubilay Kocak , Erich Dollansky , freebsd-stable Subject: Re: Benchmarks results for FreeBSD 11 Message-ID: <20160822120215.GV22212@zxy.spb.ru> References: <20160819073422.4292997b@X220.alogt.com> <20160821144505.27c0f55d@X220.alogt.com> <827183a944ee4052649c152d65204444@schema31.it> <20160822101423.GF18643@e-new.0x20.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160822101423.GF18643@e-new.0x20.net> User-Agent: Mutt/1.5.24 (2015-08-30) 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 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Aug 2016 12:02:27 -0000 On Mon, Aug 22, 2016 at 12:14:23PM +0200, Lars Engels wrote: > On Mon, Aug 22, 2016 at 11:48:46AM +0200, Andrea Brancatelli wrote: > > Il 2016-08-21 08:45 Erich Dollansky ha scritto: > > > > > I am sure that some know of this site: > > > > > > http://www.phoronix.com/scan.php?page=article&item=2bsd-7linux-bench&num=4 > > > > > > I wonder about the results for FreeBSD. As I do not have 11 on my > > > machines, a stupid question. Are there still some debugging aids > > > enabled in 11? > > > They're off in those versions, but did note compiler (and compiler > > > args) differences between within most tests (See attachments) as you > > > mentioned. > > the benchmark then compares the off-the-shelve distributions. > > > > Excuse me, as a casual reader of the list, I don't get this "critique". > > > > I never recompile my installations, I just use them from the > > installation CD (as probably 90% of the rest of the world), so I don't > > get what is wrong with the approach of comparing an out-of-the-box > > FreeBSD 11 with an out-of-the-box Ubuntu whatever. > > > > If FreeBSD 11 "out-the-box" performs slow because the standard compilers > > options aren't good it's not a problem with the benchmarking platform > > but with the default CD compiling options. > > > > Am I getting it wrong? > > The problem here is that Phoronix took a Beta version of FreeBSD 11. > Beta versions have a lot of debugging (malloc, invariants, witness) > options enabled which make it significantly slower than release > versions. This is even obviously when you run a Beta as a desktop. It > just feels much slower. No. All debugs in amd64 is off at time of BETA.