From: "Leslie P. Polzer" <leslie.polzer@gmx.net>
To: Glynn Clements <glynn@gclements.plus.com>
Cc: kratzers@pa.net, KhaOsh <ficheironegro@gmail.com>,
linux-c-programming@vger.kernel.org
Subject: Re: String comparison for fixed strings
Date: Wed, 15 Aug 2007 19:26:55 +0200 (CEST) [thread overview]
Message-ID: <3493.84.157.36.125.1187198815.squirrel@viridian.dnsalias.net> (raw)
In-Reply-To: <18115.4550.134335.647087@cerise.gclements.plus.com>
> 3. An actual loop is typically quicker than an "unrolled" loop (where
> you just repeat the loop body) as it results in smaller code and thus
> better cache coherency.
I'm not sure whether it was the OP's intention to talk about
the (dis)advantages of unrolled code.
> All things considered, strcmp() is likely to be faster.
Given these things:
1. The null byte check is mandatory.
2. The haystack string is not _considerably_ larger than the
needle string.
next prev parent reply other threads:[~2007-08-15 17:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-15 11:06 String comparison for fixed strings KhaOsh
2007-08-15 13:18 ` Stephen Kratzer
2007-08-15 14:46 ` Glynn Clements
2007-08-15 17:26 ` Leslie P. Polzer [this message]
2007-08-16 1:44 ` Glynn Clements
2007-08-16 7:30 ` Per Jessen
2007-08-16 18:14 ` Glynn Clements
2007-08-17 7:49 ` Per Jessen
2007-08-17 20:22 ` KhaOsh
2007-08-16 1:54 ` Glynn Clements
2007-08-15 18:51 ` Jesse Ruffin
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