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Comment by apaprocki | Hacker News Reader

While this is interesting, not all CPUs are created equal. I can run the var-mt.cpp example on POWER hardware in:

  real    0m25.680s

My point being, that node.js doesn't work on this box, nor does Fabric. So when developing specialized algorithms you sometimes might want to run them in specialized environments.

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Right - we would have to build a version of the engine to run on that hardware. Once that's done though, the applications would run. i.e. we prototyped on ARM earlier this year, and our unit tests worked.

That said - if you're building for specialized environments, you're probably going to want to hand-optimize code rather than rely on LLVM to do it. LLVM does a pretty good job though :)

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