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----- Original Message ----- From: "Tim Bray" <tbray@t...> > On Jan 23, 2004, at 10:04 AM, Joshua Allen wrote: > > > It's a pretty big hit. XML is all about string comparison. Any > > implementation that cared about perf would presumably atomize strings > > that were subject to frequent comparison. > > In genx, the only significant string comparison is checking for dupe > attributes (I think; haven't written the code yet). Since you only > check each one once, the cost of doing an intern() (what I assume you > mean by atomize) is probably higher than just doing the string > comparison. -Tim What algorithm are you using? Naively I would think that if you have N attributes you have to perform N*(N-1)/2 comparisons to detect duplicates (not good for large N as this grows quadratically). Karl
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