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by chubot 2954 days ago
BTW, the test I did where PyPy was slower than CPython ran for a minute or so (IIRC). It wasn't that long lived, but it wasn't like the "instant" invocation you often see with shell scripts either.

I don't think the JIT warmup was the main issue there; I think it was PyPy's lack of ability to optimize certain kinds of code combined with increased memory usage.