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by jashmatthews
2224 days ago
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Python isn't perversely dynamic, no more so than Self which was running within a factor of 2 of C like 30 years ago, and PyPy optimizes Python just fine. The major stumbling block is that the C API unintentionally sucks and requires lots of work to support https://morepypy.blogspot.com/2018/09/inside-cpyext-why-emul... LuaJIT is a great example of how experimentation and the right tradeoffs can give you a faster language runtime without a huge effort but it's not at all a great example of a highly optimizing compiler. There's no "map" or "hidden class" optimization in LuaJIT, for example, and getting good performance means avoiding repeated table lookups. |
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