They made Python faster with this compiler option
The Backend Engineering Show with Hussein Nasser
English - May 07, 2024 00:20 - 29 minutes - 26.9 MB - ★★★★★ - 5 ratingsTechnology Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
Fundamentals of Operating Systems Course
https://oscourse.win
Looks like fedora is compiling cpython with the -o3 flag, which does aggressive function inlining among other optimizations.
This seems to improve python benchmarks performance by at most 1.16x at a cost of an extra 3MB in binary size (text segment). Although it does seem to slow down some benchmarks as well though not significantly.
O1 - local register allocation, subexpression elimination
O2 - Function inlining only small functions
O3 - Agressive inlining, SMID
0:00 Intro
1:00 Fedora Linux gets Fast Python
5:40 What is Compiling?
9:00 Compiling with No Optimization
12:10 Compiling with -O1
15:30 Compiling with -O2
20:00 Compiling with -O3
23:20 Showing Numbers
Backend Troubleshooting Course
https://performance.husseinnasser.com