Why “CPython” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
Oh, it's not just a performance optimization. But you've said it yourself: "a new python interpreter and compiler". A lot of Python code out there lives with assumptions of CPyt…
by crabbone · Oct 28, 2026
I work in Python every day and think about this a lot - people really don't seem worried about its performance. Sure people want it to be faster, but I don't see very many peopl…
by benrutter · Oct 28, 2026
That's why I never want to work in CPython core. The 2 jit PEP's were totally fine, the implementation solid and stable, and even easy to understand for the SC manager types (un…
by rurban · Oct 28, 2026
Because the Python community writes libraries in C, C++, Fortran and Rust, to make up for the CPython slowness, using CPython C API, calls them Python libraries, and they natura…
by pjmlp · Oct 28, 2026
As far as I understand, CPython implementation is THE specification. Some billions dollar ERP system firmly rely on this behavior, btw.
by sakesun · Oct 28, 2026
This is what happens what the defacto implementation, CPython and its external API, is effectively the specification. That includes all the incidental side effects that were not…
by impossconstrain · Oct 28, 2026
Interest
Proportion of Hacker News items mentioning "cpython" over time.
Mentions
Total number of Hacker News items mentioning "cpython" over time.
CPython is the reference implementation of the Python programming language. Written in C and Python, CPython is the default and most widely used implementation of the Python language. Read more on Wikipedia