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Just to name alternatives: Cpython, Pypy, jython, ironpython. Then, there quite a few python-likes out there. I wish they would stay precise.
CPython, pypy, jython are not alternatives. CPython is Python. The others are attempts.
I wish they would just go back to calling it Python, since it’s the Python that everyone knows and uses. No one gets confused over Python the spec and Python the implementation. Every time I see “CPython” i have to double check we’re just talking about Python. I guess they “CPython’ed” back when people thought Jython would take off , and it never did because Java sucks.
In general, I never, ever see anyone saying "I will write a CPython script". Everybody says "Python" in my experience... do you see it differently?
EDIT: I don't think that your opinion deserves to be downvoted, though...
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CPython, pypy, jython are not alternatives. CPython is Python. The others are attempts.
I don’t think it’s good form to downvote people you disagree with.
I've been comparing various platforms and discussing them with ChatGPT—for instance, why Python's execution is slower than JavaScript's V8. It claimed this is due to mtechnical debt and the inability to change because libraries like NumPy bypass public interfaces and access data directly. I'm wondering how much of that is true and what is just a hallucination." Btw: JavaScript seems to have similar complexity issues.…
No clue if that's the reason for the downvotes, but maybe next time don't mention ChatGPT and just formulate this as "From what I read, [...]".
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I don’t think it’s good form to downvote people you disagree with.
I did not downvote, but I'm guessing that it is perceived as disrespectful to call them failures to the point where they don't even qualify as "alternatives".
But, they are technically correct. The language is defined as by CPython: it is the standard!!! None of the others fully meet that standard, which includes quirks! It's knows trade offs with them! They are, literally, attempts to adhere to that standard.
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It is not that numpy bypasses public interfaces. It uses documented C APIs. V8, as far as I know, does not have that.
V8 itself might not, but, say, Node does and that doesn't torpedo performance. Was Node-API just better designed than Python's FFI?
Python it’s not hard to write a module in pure C that manipulates other Python objects. This means the representation of Python objects has to be stable enough for the C code. V8 does not allow that.
Had to write a fairly substantial native extension to Python a couple years ago and one of the things I enjoyed was that the details were not easily "Googleable" because implementation results were swamped by language level results. It took me back to the old days of source diving and accumulated knowledge that you carried around in your head. https://www.dave.org/posts/20220806_python/
Py_DECREF(m)I wish they would just go back to calling it Python, since it’s the Python that everyone knows and uses. No one gets confused over Python the spec and Python the implementation. Every time I see “CPython” i have to double check we’re just talking about Python. I guess they “CPython’ed” back when people thought Jython would take off , and it never did because Java sucks.
No harm in being explicit right? Tis part of the zen of Python after all.