Hugo van Kemenade @hugovk@mastodon.social
Public

Some new preliminary numbers from Ken Jin for the JIT in Python 3.15:

"On AArch64 macOS, the JIT has a 7-8% speedup over the tail calling interpreter with all optimizations enabled."

docs.python.org/3.15/whatsnew/

github.com/python/cpython/comm

This is in addition to 3-4% over the standard CPython interpreter on x86-64 Linux.

See also doesjitgobrrr.com

Top half of a chart showing dozens of benchmarks, most of them more than 1x faster.Bottom half of the chart. About half of these are also most of them more than 1x faster, about a quarter are around 0.9 faster, and a quarter are insignificant.
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