Date: Tue, 01 Dec 2009 09:13:17 +0100 From: Lars Engels <lars.engels@0x20.net> To: Alexander Motin <mav@FreeBSD.org> Cc: freebsd-current@freebsd.org, David Naylor <naylor.b.david@gmail.com> Subject: Re: FreeBSD 8.0 Performance (at Phoronix) Message-ID: <20091201091317.9maspkprks0o48cs@0x20.net> In-Reply-To: <4B14B12F.9070802@FreeBSD.org> References: <1259583785.00188655.1259572802@10.7.7.3> <4B14B12F.9070802@FreeBSD.org>
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This message is in MIME format and has been PGP signed. --=_46xnnvlfr76s Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Alexander Motin <mav@FreeBSD.org>: > David Naylor wrote: >> Phoronix recently published a comparative benchmark[1] for FreeBSD 7.2/8.= 0 >> against Linux and OpenSolaris. I would like to bring some of the =20 >> good and bad >> to light (in the hopes that the developers with the correct =20 >> expertise will be >> intrigued). >> >> The tests were performed with a 'standard' installation of FreeBSD =20 >> on a Lenovo >> ThinkPad T61. >> >> I've tried to eliminate tests who's performance is a result of compiler >> differences and/or 3rd party applications and tests who's statistical >> significance are not so strong (subjective guess). >> >> Improvements for FreeBSD 8.0 vs 7.2: >> - 7-Zip Compression (page 3) >> - Timed MAFFT Alignment (page 5) >> - GraphicsMagick (page 5) >> - Threaded IO (64MB Random Write - 32 threads) (page 7) >> - Threaded IO (64MB Read - 32 threads) (page 7) >> >> Regressions for FreeBSD 8.0 vs 7.2: >> - Gzip compressions of a 2GB file (page 3) >> - C-Ray (page 4) >> - Threaded IO (64MB Write - 4 threads) (page 7) >> - Threaded IO (64MB Write - 32 threads) (page 7) >> >> Poor performance relative to Linux and OpenSolaris >> - Threaded IO (especially random writes) (page 7) >> - OpenSSL (RSA 4096bit) (page 8) >> - PostMark (disk transaction) (page 8) >> >> It appears that threaded activity on UFS does not fair well against =20 >> Linux/ext4 >> and OpenSolaris/ZFS. Phoronix intends to do a comparative test against >> FreeBSD and OpenSolaris on ZFS. > > Threaded I/O activity could get much benefit from NCQ-aware disk driver. > It is not included in default FreeBSD kernel, but it would be nice to > compare. > > In power-consumption tests I believe FreeBSD could behave much better if > properly tuned. Unluckily our default installation doesn't use any > power-saving technologies. Six month ago I have shown on list how laptop > power consumption can be cut in half. Could you please add your power consumption optimizations into the wiki? --=_46xnnvlfr76s Content-Type: application/pgp-signature Content-Description: PGP Digital Signature Content-Disposition: inline Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (FreeBSD) iEYEABECAAYFAksU0B0ACgkQKc512sD3afhcbgCcDOjPk105hk5WqndDSO+VwzxN 32oAoI23o5FSb+vWTsILVqh6gJ+RXdKL =y3wt -----END PGP SIGNATURE----- --=_46xnnvlfr76s--
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