String compare performance

[Robert Jacques]

On Sun, 28 Nov 2010 20:32:24 -0500, Stewart Gordon <smjg_1998 at yahoo.com>  
wrote:

> On 27/11/2010 23:04, Kagamin wrote:
>> bearophile Wrote:
>>
>>>> Also, is there a way to bit-compare given memory areas at much
>>>> higher speed than element per element (I mean for arrays in
>>>> general)?
>>>
>>> I don't know. I think you can't.
>>
>> You can use memcmp, though only for utf-8 strings.
>
> Only for utf-8 strings?  Why's that?  I would've thought memcmp to be  
> type agnostic.
>
> Stewart.

memcmp is type agnostic if all you want to compare is equality. The other  
use of memcmp is essentially as an opCmp, in which case it would be type  
sensitive.