Re: More efficient strcmp

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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
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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

Thread

More efficient strcmp pembed2012 <once@was.enough.invalid> - 2012-03-13 21:59 +0000
  Re: More efficient strcmp Kleuske <kleuske@nowhere.net> - 2012-03-13 22:16 +0000
    Re: More efficient strcmp "BartC" <bc@freeuk.com> - 2012-03-13 22:25 +0000
      Re: More efficient strcmp Kleuske <kleuske@nowhere.net> - 2012-03-14 16:02 +0000
    Re: More efficient strcmp James Kuyper <jameskuyper@verizon.net> - 2012-03-13 18:30 -0400
    Re: More efficient strcmp Kaz Kylheku <kaz@kylheku.com> - 2012-03-13 23:05 +0000
  Re: More efficient strcmp James Kuyper <jameskuyper@verizon.net> - 2012-03-13 18:19 -0400
    Re: More efficient strcmp jacob navia <jacob@spamsink.net> - 2012-03-13 23:54 +0100
    Re: More efficient strcmp Gareth Owen <gwowen@gmail.com> - 2012-03-14 06:37 +0000
      Re: More efficient strcmp James Kuyper <jameskuyper@verizon.net> - 2012-03-14 07:32 -0400
  Re: More efficient strcmp Stephen Sprunk <stephen@sprunk.org> - 2012-03-13 17:28 -0500
  Re: More efficient strcmp Robert Wessel <robertwessel2@yahoo.com> - 2012-03-13 17:28 -0500
  Re: More efficient strcmp Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-03-13 22:43 +0000
    Re: More efficient strcmp "Joachim Schmitz" <nospam.jojo@schmitz-digital.de> - 2012-03-16 17:39 +0100
      Re: More efficient strcmp Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-03-16 18:17 +0000
  Re: More efficient strcmp Kaz Kylheku <kaz@kylheku.com> - 2012-03-13 23:03 +0000
    Re: More efficient strcmp Fritz Wuehler <fritz@spamexpire-201203.rodent.frell.theremailer.net> - 2012-03-14 15:55 +0100
      Re: More efficient strcmp Kenneth Brody <kenbrody@spamcop.net> - 2012-03-14 14:19 -0400
  Re: More efficient strcmp "BartC" <bc@freeuk.com> - 2012-03-13 23:25 +0000
  Re: More efficient strcmp Bl0ckeduser <bl0ckedusersoft@gmail.com> - 2012-03-13 21:42 -0500
    Re: More efficient strcmp Tim Rentsch <txr@alumni.caltech.edu> - 2012-03-14 15:17 -0700
      Re: More efficient strcmp Bl0ckeduser <bl0ckedusersoft@gmail.com> - 2012-03-14 19:06 -0400
        Re: More efficient strcmp Tim Rentsch <txr@alumni.caltech.edu> - 2012-03-15 18:53 -0700
  Re: More efficient strcmp Andre <lodwig@pathme.de> - 2012-03-14 14:26 +0100
  Re: More efficient strcmp China Blue Water Navy <chine.bleu@yahoo.com> - 2012-03-14 12:39 -0700
  Re: More efficient strcmp vaysagekv <kvvaysage@gmail.com> - 2012-03-15 18:24 +0530
    Re: More efficient strcmp gof@somewhere.invalid (Gof) - 2012-03-15 13:00 +0000
      Re: More efficient strcmp "BartC" <bc@freeuk.com> - 2012-03-15 15:05 +0000
        Re: More efficient strcmp Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-03-25 16:45 +0000

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