>>10 Its somewhat faster then JavaScript, but the benchmarks can be selected to show anything.
JavaScript doesn't use multiple cores btw,and Java server !=applet. Here is fair comparison:
http://shootout.alioth.debian.org/u64/benchmark.php?test=all&lang=javaxint&lang2=tracemonkey&box=1
IIRC my NBody script is twice faster then their benchmarks, and all their JS code is tending to be heavy OOP/Unoptimized:
see
http://frozenvoid.blogspot.com/2009/02/n-body-planetary-orbit-calculation.html
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