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Message-Id: <1221373494.4979.1.camel@marge.simson.net> Date: Sun, 14 Sep 2008 08:24:54 +0200 From: Mike Galbraith <efault@....de> To: Christoph Lameter <cl@...ux-foundation.org> Cc: "Rafael J. Wysocki" <rjw@...k.pl>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Kernel Testers List <kernel-testers@...r.kernel.org> Subject: Re: [Bug #11308] tbench regression on each kernel release from 2.6.22 -> 2.6.28 On Sat, 2008-09-13 at 13:44 +0200, Mike Galbraith wrote: > 2.6.27-rc6 > Throughput 1037.98 MB/sec 4 procs > > 16384 87380 1 1 60.00 80293.80 > 16384 87380 1 1 60.00 80266.60 > 16384 87380 1 1 60.00 80394.83 > 16384 87380 1 1 60.01 80397.27 <snip... sigh> goes back to current real .27 config Throughput 1022.52 MB/sec 4 procs 16384 87380 1 1 60.00 75941.95 16384 87380 1 1 60.01 76002.46 16384 87380 1 1 60.01 76367.55 16384 87380 1 1 60.00 76188.66 ... demodularizes seriously over-configured network Throughput 750.175 MB/sec 4 procs 16384 87380 1 1 60.00 49270.35 16384 87380 1 1 60.01 49233.86 16384 87380 1 1 60.00 49265.72 16384 87380 1 1 60.00 49227.00 Very un-good thing to try. Stupid thing too? -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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