this post was submitted on 11 Jun 2025
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It does make sense, if you skim through the research paper (page 11). They aren't using
performance.now()or whatever the state-of-the-art in JS currently is. Their measurements include invocation of the interpreter. And parsing TS involves bigger overhead than parsing JS.I assume (didn't read the whole paper, honestly DGAF) they don't do that with compiled languages, because there's no way the gap between compiling C and Rust or C++ is that small.
But TS is compiled to JS so it's the same interpreter in both cases. If they're including the time for
tscin their benchmark then that's an even bigger WTF.