diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst index 17415f888b65a2..6cb96c074c78f3 100644 --- a/Doc/whatsnew/3.15.rst +++ b/Doc/whatsnew/3.15.rst @@ -891,7 +891,11 @@ Results from the `pyperformance `__ benchmark suite report `3-4% `__ geometric mean performance improvement for the JIT over the standard CPython -interpreter built with all optimizations enabled. The speedups for JIT +interpreter built with all optimizations enabled on x86-64 Linux. On AArch64 +macOS, the JIT has a +`7-8% `__ +speedup over the :ref:`tail calling interpreter ` +with all optimizations enabled. The speedups for JIT builds versus no JIT builds range from roughly 20% slowdown to over 100% speedup (ignoring the ``unpack_sequence`` microbenchmark) on x86-64 Linux and AArch64 macOS systems.