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NNTP-Posting-Date: Wed, 14 Mar 2012 01:37:12 -0500
From: Gareth Owen <gwowen@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: More efficient strcmp
References: <jjog0d$rcc$1@speranza.aioe.org> <4F5FC802.70401@verizon.net>
Date: Wed, 14 Mar 2012 06:37:16 +0000
Message-ID: <87d38fwuw3.fsf@gmail.com>
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Xref: csiph.com comp.lang.c:18747

James Kuyper <jameskuyper@verizon.net> writes:

> On 03/13/2012 05:59 PM, pembed2012 wrote:
>> Dear friends
>> 
>> I have created a more efficient strcmp function. However it only works on 
>> big endian architectures. I would like someone with same to run some 
>> timing tests to see how much is the speed up.
>> 
>> Thank you
>> 
>> int strcmp_fast(char* s,char* t){
>>   uls=(unsigned long*)s;
>>   ult=(unsigned long*)t;
>>   if(*uls>*ult) return(1);
>>   if(*uls<*ult) return(-1);
>>   else return(strcmp(s,t));
>> }
>
> char strings[0] = "a\0a\0b";

Typo:

char strings[] = "a\0a\0b";      // mutable
const char *strings = "a\0a\0b"; // immutable