The latest update to PyPy (5.6), the just-in-time compiling runtime for Python, supplies the usual roster of bug fixes and incremental improvements. Its biggest changes, though, involve a long-standing issue with PyPy’s C extensions and the major Python packages that use them.
Python has never been the fastest language, but rewriting performance-intensive functions in C can bring Python apps within striking distance of pure C counterparts, often without the headache of writing the app entirely in C.
