Assembly string functions in i386 libc

Dag-Erling Smørgrav des at des.no
Thu Jul 12 22:03:24 UTC 2007


"Sean C. Farley" <scf at FreeBSD.org> writes:
> On Thu, 12 Jul 2007, Dag-Erling Smørgrav 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
-- 
Dag-Erling Smørgrav - des at des.no


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