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Re: XML Performance in a Transacation


Re:  XML Performance in a Transacation
On Mar 26, 2006, at 00:55, Rick Marshall wrote:
> Robin Berjon wrote:
>> What Mike is saying is that the problem *very* likely comes from   
>> what's in your style sheet. It's got nothing to do with the speed  
>> of  parsing XML. Even the slowest XML parser running on an  
>> ancient  feature phone doesn't take 80 minutes. Anyone can write a  
>> style sheet  that's O(n^2), it's trivial.
>>
> well that would be a major problem for the technology in the hands  
> of the masses.
>
> are you saying "here's the standard and all the things you can do,  
> but don't do these things because they are a performance problem".

XSLT is a programming language. Prohibiting programs that have O(n^2)  
time complexity is a very severe restriction on a programming  
language. (Actually, that's quite an understatement. :-) If XSLT  
prohibited O(n^2) programs, people would complain that it is not  
expressive enough.

-- 
Henri Sivonen
hsivonen@i...
http://hsivonen.iki.fi/



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