Sample usage:
$ python fib.py --threads=2
===============================================================
💻 Linux 64bit with 4x CPU cores (x86_64 Little Endian)
🐍 CPython 3.12.5 /home/bartek/.pyenv/versions/3.12.5/bin/python
Free Threading: unsupported
JIT Compiler: unsupported
===============================================================
Running 2 threads: 3.45s