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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: "Sean C. Farley" <scf@FreeBSD.org>
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Date: Fri, 13 Jul 2007 00:03:19 +0200
In-Reply-To: <20070712161200.I8789@thor.farley.org> (Sean C. Farley's message
	of "Thu\, 12 Jul 2007 16\:27\:49 -0500 \(CDT\)")
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Cc: freebsd-arch@FreeBSD.org
Subject: Re: Assembly string functions in i386 libc
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"Sean C. Farley" <scf@FreeBSD.org> writes:
> On Thu, 12 Jul 2007, Dag-Erling Sm=C3=B8rgrav wrote:
> > The first rule of optimization is: don't do it.
> > The second rule of optimization is: don't do it yet.
> > The third rule of optimization is: don't optimize what you haven't
> > measured.
> I am a rule breaker at least for the first two.  :)  I tried to follow
> the third rule.
>
> > Can you show us an actual application that spends a significant part
> > of its run time in strlen()?
> My test program that loops over strlen().

So the answer is no, and you don't understand the third rule which you
claim to follow.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no