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Date:      Fri, 14 Dec 2007 20:39:07 +0100
From:      Ivan Voras <ivoras@freebsd.org>
To:        freebsd-performance@freebsd.org
Subject:   Re: freebsd vs linux: performance problem
Message-ID:  <fjum4r$cvb$3@ger.gmane.org>
In-Reply-To: <4761F963.5040505@pacific.net.sg>
References:  <150023.72900.qm@web54501.mail.re2.yahoo.com> <4761F963.5040505@pacific.net.sg>

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Erich Dollansky wrote:

> I have had once the problem of a task moving from CPU to CPU and s
> performing badly on FreeBSD.

This is easy to check: either rebuild a kernel without "options SMP" or
disable processes by setting machdep.hlt_cpus (see smp(4)) or set
hint.lapic.X.disable=3D1, then run the program again.




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