https://github.com/python/cpython/commit/9633f95b95eb7b14915c39620e83470e3c550015 commit: 9633f95b95eb7b14915c39620e83470e3c550015 branch: main author: Ken Jin <[email protected]> committer: Fidget-Spinner <[email protected]> date: 2026-01-11T18:55:05Z summary:
gh-139038: Update JIT perf figures for 3.14a4 (GH-143705) files: M Doc/whatsnew/3.15.rst diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst index 6cb96c074c78f3..115b7b3c86e034 100644 --- a/Doc/whatsnew/3.15.rst +++ b/Doc/whatsnew/3.15.rst @@ -889,14 +889,14 @@ Upgraded JIT compiler Results from the `pyperformance <https://github.com/python/pyperformance>`__ benchmark suite report -`3-4% <https://github.com/facebookexperimental/free-threading-benchmarking/blob/main/results/bm-20251214-3.15.0a2%2B-6cddf04-JIT/bm-20251214-vultr-x86_64-python-6cddf04344a1e8ca9df5-3.15.0a2%2B-6cddf04-vs-base.svg>`__ +`4-5% <https://raw.githubusercontent.com/facebookexperimental/free-threading-benchmarking/refs/heads/main/results/bm-20260110-3.15.0a3%2B-aa8578d-JIT/bm-20260110-vultr-x86_64-python-aa8578dc54df2af9daa3-3.15.0a3%2B-aa8578d-vs-base.svg>`__ geometric mean performance improvement for the JIT over the standard CPython interpreter built with all optimizations enabled on x86-64 Linux. On AArch64 macOS, the JIT has a -`7-8% <https://raw.githubusercontent.com/facebookexperimental/free-threading-benchmarking/refs/heads/main/results/bm-20260103-3.15.0a3%2B-9609574-JIT/bm-20260103-macm4pro-arm64-python-9609574e7fd36edfaa8b-3.15.0a3%2B-9609574-vs-base.svg>`__ +`7-8% <https://raw.githubusercontent.com/facebookexperimental/free-threading-benchmarking/refs/heads/main/results/bm-20260110-3.15.0a3%2B-aa8578d-JIT/bm-20260110-macm4pro-arm64-python-aa8578dc54df2af9daa3-3.15.0a3%2B-aa8578d-vs-base.svg>`__ speedup over the :ref:`tail calling interpreter <whatsnew314-tail-call-interpreter>` with all optimizations enabled. The speedups for JIT -builds versus no JIT builds range from roughly 20% slowdown to over +builds versus no JIT builds range from roughly 15% slowdown to over 100% speedup (ignoring the ``unpack_sequence`` microbenchmark) on x86-64 Linux and AArch64 macOS systems. _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
