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I don't see how it can while their "load a module" step involved compiling it from C++ source. Although I guess that doesn't explain why it is still so slow the subsequent times.

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Can you elaborate? How does loading a Julia module involve compiling c++?

The module gets compiled from source.

Yes, but not from C++, but from Julia source code. Or what are you referring to?

“Compiling Julia” means lowering into LLVM IR that then gets compiled. It’s not C++ but it takes roughly as long

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