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Allex edited this page Jan 8, 2026 · 1 revision

`perf` performance measurements

Includes the C calls. ref

Make sure Python is installed with frame-pointers, the JIT way is too slow.
CFLAGS="-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer" pyenv install <version>
Run your program with perf.
perf record -g python -X perf <python command>
Show the profile data.
perf report