Date: Wed, 21 Nov 2007 20:53:38 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD Message-ID: <47448CC2.7030100@FreeBSD.org> In-Reply-To: <9bbcef730711210320s73c0625bh25ba2561b270f237@mail.gmail.com> References: <4741905E.8050300@chistydom.ru> <4742ADFE.40902@FreeBSD.org> <4742C46A.1060701@chistydom.ru> <47432F77.3030606@FreeBSD.org> <474339E9.4080301@FreeBSD.org> <4743629B.9090408@FreeBSD.org> <fi11k8$5ak$1@ger.gmane.org> <47440C10.5060608@FreeBSD.org> <fi12dg$7u7$1@ger.gmane.org> <47440E55.3060909@FreeBSD.org> <9bbcef730711210320s73c0625bh25ba2561b270f237@mail.gmail.com>
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Ivan Voras wrote: > On 21/11/2007, Kris Kennaway <kris@freebsd.org> wrote: >> Ivan Voras wrote: > >>> Yes, but I had to verify it anyway :) >> You haven't verified anything until you look at how much work the system >> is doing, before and after. > > I have, and it's roughly the same (50 +/- 2 queries/s). > > (meaning that I'm not interested in exact statistics here, but in > order-of-magnitude changes, which didn't happen). OK, let's take a step back here. Did you obtain the lock profiling trace and verify that you're seeing the same problem as Alexey? Can I see the trace? Kris
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