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No, trying to benchmark Java and JS are the reason for the concerns.



Yeah, if we only had closer speed to Java and JS for CPython, I'd have no concern...


None of the current Java or JS engines use tracing JITs, though?


Is there a precise difference between how openjdk works where it needs a warmup to begin running performantly and how a tracing jit works?

If there a precise difference between how Ignition and Turbofan interact that is not a tracing jit? I really thought both Java and JS implementations were tracing jits. Because if I'm going to whinge about technology I don't like I want to whinge about the precise problem. :)




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