From 2d66674e9cc03d76b80c1425dcb8bc6a54254a09 Mon Sep 17 00:00:00 2001 From: Ken Jin Date: Fri, 1 May 2026 09:05:13 +0100 Subject: [PATCH 1/2] Update final JIT figures for 3.15rc1 --- Doc/whatsnew/3.15.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst index a687ee5115be05..f6a8e0a42dc426 100644 --- a/Doc/whatsnew/3.15.rst +++ b/Doc/whatsnew/3.15.rst @@ -1579,11 +1579,11 @@ Upgraded JIT compiler Results from the `pyperformance `__ benchmark suite report -`6-7% `__ +`8-9% `__ 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 -`12-13% `__ +`12-13% `__ speedup over the :ref:`tail calling interpreter ` with all optimizations enabled. The speedups for JIT builds versus no JIT builds range from roughly 15% slowdown to over From 54cb02aac892aec357d32d5d2f3b040f3804c5b4 Mon Sep 17 00:00:00 2001 From: Ken Jin Date: Fri, 1 May 2026 16:15:18 +0100 Subject: [PATCH 2/2] Update Doc/whatsnew/3.15.rst Co-authored-by: Stan Ulbrych --- Doc/whatsnew/3.15.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst index f6a8e0a42dc426..807d6ceb6ceab2 100644 --- a/Doc/whatsnew/3.15.rst +++ b/Doc/whatsnew/3.15.rst @@ -1579,7 +1579,7 @@ Upgraded JIT compiler Results from the `pyperformance `__ benchmark suite report -`8-9% `__ +`8-9% `__ 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