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Well, don't read too much into it.

Here is the Java source for binary-trees, which is 6x faster than c#. http://shootout.alioth.debian.org/u64q/program.php?test=bina... C#: http://shootout.alioth.debian.org/u64q/program.php?test=bina...

Notice that the Java code multi-threaded, while the C# version is single-threaded. And the Q6600 being used there has 4 cores.




Notice that there's another Java program which is single-threaded but still uses more than one-core (figure out why) -

http://shootout.alioth.debian.org/u64q/program.php?test=bina...




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