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From: des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=)
To: Kris Kennaway <kris@obsecurity.org>
References: <20060417051440.GB60956@xor.obsecurity.org>
Date: Mon, 17 Apr 2006 10:16:03 +0200
In-Reply-To: <20060417051440.GB60956@xor.obsecurity.org> (Kris Kennaway's
	message of "Mon, 17 Apr 2006 01:14:40 -0400")
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Cc: smp@FreeBSD.org, current@FreeBSD.org
Subject: Re: Anomalous performance increase from mutex profiling
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Kris Kennaway <kris@obsecurity.org> writes:
> However, even with CVS sources I found something very odd: when
> MUTEX_PROFILING is compiled in but not enabled (which usually still
> makes things slower), I see a clear 38% +/- 3% performance *increase*
> on this benchmark.

Heisenberg strikes!
Heisenberg strikes!
Heisenberg strikes!
You are uncertain.

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no