String interning

[Miles Sabin]

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 at cromwellmedia.com          http://www.cromwellmedia.com/


xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev at ic.ac.uk
Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/ or CD-ROM/ISBN 981-02-3594-1
Please note: New list subscriptions now closed in preparation for transfer to OASIS.