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RE: String interning

• From: Miles Sabin <msabin@c...>
• To: David Megginson <david@m...>, xml-dev@i...
• Date: Fri, 14 Jan 2000 22:00:50 -0000

David Megginson wrote,
> For comparison, I just whipped up a Java class to compare two 
> (non-equal) Strings 10,000,000 times.  Here are the USER 
> timings:
>
> No comparisons (startup overhead): 0.67 seconds
> Compare with ==:                   0.94 seconds (=0.2 seconds)
> Compare with equals():             8.00 seconds (=7.33 seconds)
>
> That's a very significant performance difference.

It's also a completely meaningless one unless we can see the
code and know something about the platform you're running on.
I'd be quite surprised if there was that much margin with a
Sun 1.2 JDK and Hotspot on Solaris or Win32.

Cheers,


Miles

-- 
Miles Sabin                       Cromwell Media
Internet Systems Architect        5/6 Glenthorne Mews
+44 (0)20 8817 4030               London, W6 0LJ, England
msabin@c...          http://www.cromwellmedia.com/


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