Date: Wed, 24 Dec 2008 16:02:39 +0100 From: ivoras@freebsd.org To: "Mike Tancsa" <mike@sentex.net> Cc: freebsd-performance@freebsd.org Subject: Re: intel i7 and Hyperthreading Message-ID: <9bbcef730812240702t6fd2f9f8wcdda075f70517102@mail.gmail.com> In-Reply-To: <200812240320.mBO3KoEi033856@lava.sentex.ca> References: <200812192214.mBJMEj2Q009511@lava.sentex.ca> <gir34t$bkl$1@ger.gmane.org> <200812240320.mBO3KoEi033856@lava.sentex.ca>
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On 24/12/2008, Mike Tancsa <mike@sentex.net> wrote: > At 11:20 AM 12/23/2008, Ivan Voras wrote: > >>I just thought of another thing - can you boot an 8-CURRENT kernel >>on the machine and report the value of kern.sched.topology_spec >>sysctl? This is to verify how the ULE sees the HTT topology of the CPUs. > > > And buildworld from current > > 4,8 and 10 > > 3287.727u 973.504s 21:18.88 333.1% -4100+2075k 28490+5472io 10433pf+0w > 3511.547u 1473.695s 15:30.77 535.6% -2668+2067k 1604+5381io 8741pf+0w > 3576.281u 1546.722s 15:38.02 546.1% -2431+2068k 1570+5448io 8711pf+0w > Comparing to your original numbers, it looks like you might have some debugging enabled there: the original 7.x results went from 13:57 to 11:32, this goes from 21:18 to 15:30. I don't think the world is that much larger in -CURRENT.
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