Date: Sun, 11 Nov 2007 16:35:47 -0500 From: "Josh Carroll" <josh.carroll@gmail.com> Cc: Jeff Roberson <jroberson@chesapeake.net>, freebsd-performance@freebsd.org Subject: Re: ULE vs. 4BSD in RELENG_7 Message-ID: <8cb6106e0711111335y13d4cc48w1bd173a72f60b369@mail.gmail.com> In-Reply-To: <8cb6106e0711111259hd4f854at245672359bf25c82@mail.gmail.com> References: <8cb6106e0710230902x4edf2c8eu2d912d5de1f5d4a2@mail.gmail.com> <20071104151722.M544@10.0.0.1> <8cb6106e0711050141g674a7733h53f7e6a20e75ad07@mail.gmail.com> <20071106171059.M544@10.0.0.1> <8cb6106e0711062136r18ca8e67sbdb4d4372e10e086@mail.gmail.com> <20071109145827.W639@10.0.0.1> <8cb6106e0711091855x1305ee2bt6d57696df7c7564@mail.gmail.com> <8cb6106e0711101158o16887999rf7f7302ad44d0de8@mail.gmail.com> <47361134.3050301@FreeBSD.org> <8cb6106e0711111259hd4f854at245672359bf25c82@mail.gmail.com>
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> These ministat results show that the latest patch (alone) results in > slightly worse performance for ffmpeg and buildworld, but slightly > better results for sysbench. Please disregard those conclusions, I misread the ffmpeg results and didn't look at all thread counts for the sysbench runs. Looking more closely, the latest ULE patch improves ffmpeg performance slightly but degrades buildworld performance slightly. As for sysbench, the new patch takes a hit with 4 threads (1 per core), but is better with 8 threads (2 per core). It's slightly better at 12 threads (3 per core) and 16 threads (4 per core). Thanks, Josh
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