Date: Mon, 22 Aug 2016 15:02:15 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Lars Engels <lars.engels@0x20.net> Cc: Andrea Brancatelli <abrancatelli@schema31.it>, Kubilay Kocak <koobs@freebsd.org>, Erich Dollansky <erichsfreebsdlist@alogt.com>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Benchmarks results for FreeBSD 11 Message-ID: <20160822120215.GV22212@zxy.spb.ru> In-Reply-To: <20160822101423.GF18643@e-new.0x20.net> References: <20160819073422.4292997b@X220.alogt.com> <af0fefab-69d7-f0a9-3d6d-4a9891d5a156@FreeBSD.org> <20160821144505.27c0f55d@X220.alogt.com> <827183a944ee4052649c152d65204444@schema31.it> <20160822101423.GF18643@e-new.0x20.net>
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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.
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