Skip to content

gh-139038: Add macOS performance numbers for the JIT #143479

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Fidget-Spinner merged 2 commits into from
Jan 6, 2026
+5 −1
Merged

gh-139038: Add macOS performance numbers for the JIT #143479

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
91700a2
Add macOS performance numbers for the JIT.
Fidget-Spinner Jan 6, 2026
0e8e4ef
fix lint
Fidget-Spinner Jan 6, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 5 additions & 1 deletion Doc/whatsnew/3.15.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -891,7 +891,11 @@ 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>`__
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% <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>`__
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
100% speedup (ignoring the ``unpack_sequence`` microbenchmark) on
x86-64 Linux and AArch64 macOS systems.
Expand Down
Loading