We're attempting to upgrade to Cython 3.0.x in pandas-dev/pandas#55179, but seeing some performance regressions. We've tracked a number of these down to our use of ndarray without any dtype or ...

Abstract: This paper proposes a library for implementing the genetic algorithm using Python mainly in NumPy and speeding-up its execution using Cython. The preliminary Python implementation is ...

The meson build for scipy 1.10 doesn't use meson's in-built tools for cython. That was removed from meson.build in PR #15407, creating scipy/_build_utils/cythoner.py ...

Long in development, the new major release of the Python-to-C compiler sheds legacy Python support and readies Cython developers for big changes in Python. The main goal behind Cython is to make it ...

Python is convenient and flexible, yet notably slower than other languages for raw computational speed. The Python ecosystem has compensated with tools that make crunching numbers at scale in Python ...