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>JIT'ed java code will run at native C performance... because it essentially is native C once it's been JIT'ed

No way. It may be native C, but it's not native C you've hand-coded yourself.

C doesn't enter into it, any way you look at it. Unless you are using some obscure Java -> C compiler.

No, the optimizing compiler inside the JVM does produce a lot of native code for your system... c/assembler. It just has to discover hot spots then JIT them.

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